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Do you become the people you spend time with?

Top voices on friendship: Seneca, Confucius, Epictetus, Paul Graham and 6 others.

Nearly everyone here who has written about it agrees that the people around you change you. They part on what follows from that: seek out the better, improve each other, keep away from the bad, or learn from everyone.

14 dated claims from 10 people · 5 views · most recent 16 Aug 2026. Every line below links to the person’s own words.

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  1. The people you spend time with will make you more like them

    Paul GrahamThiruvalluvarEpictetus

  2. So choose friends who are better than you, or at least your equals

    ConfuciusGautama Buddha

  3. Good company works both ways, and each side improves the other

    SenecaAristotle

  4. Bad company corrupts you, however good you were to begin with

    Epictetus

  5. You can learn from anyone, by copying the good and avoiding the bad

    Confucius

A viewour reading

The people you spend time with will make you more like them

3 claims filed here, newest first — each in the words of whoever said it.

Work with people you want to become like, because you will

  1. Paul Graham Co-founder of Y Combinator and Viaweb Colleagues don't just affect your work, though; they also affect you. So work with people you want to become like, because you will. How to Do Great Workpaulgraham.com · 1 Jul 2023
    Colleagues don't just affect your work, though; they also affect you. So work with people you want to become like, because you will.
Show all 3 claims

As water takes on the nature of the soil it flows through, a person's wisdom takes on the company they keep

  1. Thiruvalluvar Tamil poet traditionally credited as the author of the Tirukkural The waters' virtues change with soil through which they flow; As man's companionship so will his wisdom show. Tirukkural (tr. G. U. Pope, 1886)projectmadurai.org · c. 450–500 CE
    The waters' virtues change with soil through which they flow; As man's companionship so will his wisdom show.

Spend time with people and you will either become like them or bring them round to your own ways

Either way round: you change them, or they change you.

  1. Epictetus Greek Stoic philosopher (born in the 50s CE If a man has frequent intercourse with others either for talk, or drinking together, or generally for social purposes, he must either become like them, or change them to his own fashion. For if a man places a piece of quenched charcoal close to a piece that is burning, either the quenched charcoal will quench the other, or the burning charcoal will light that which is quenched. Encheiridion of Epictetus, as recorded by Arrian (tr. George Long, 1877)gutenberg.org · c. 89–135 CE
    If a man has frequent intercourse with others either for talk, or drinking together, or generally for social purposes, he must either become like them, or change them to his own fashion. For if a man places a piece of quenched charcoal close to a piece that is burning, either the quenched charcoal will quench the other, or the burning charcoal will light that which is quenched.

A viewour reading

So choose friends who are better than you, or at least your equals

3 claims filed here, newest first — each in the words of whoever said it.

Have no friends who are not your equals

  1. Confucius Chinese teacher and thinker (traditionally dated 551 to 479 BCE) Hold faithfulness and sincerity as first principles. Have no friends not equal to yourself. The Analects, as recorded by his disciples (tr. James Legge, 1861)gutenberg.org · c. 551–479 BCE
    Hold faithfulness and sincerity as first principles. Have no friends not equal to yourself.
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Friendship with the upright, the sincere and the well-informed helps you; friendship with the showy, the smooth and the glib harms you

  1. Confucius Chinese teacher and thinker (traditionally dated 551 to 479 BCE) There are three friendships which are advantageous, and three which are injurious. Friendship with the upright; friendship with the sincere; and friendship with the man of much observation:— these are advantageous. Friendship with the man of specious airs; friendship with the insinuatingly soft; and friendship with the glib-tongued:— these are injurious. The Analects, as recorded by his disciples (tr. James Legge, 1861)gutenberg.org · c. 551–479 BCE
    There are three friendships which are advantageous, and three which are injurious. Friendship with the upright; friendship with the sincere; and friendship with the man of much observation:— these are advantageous. Friendship with the man of specious airs; friendship with the insinuatingly soft; and friendship with the glib-tongued:— these are injurious.

Do not take evil-doers or low people for friends; have the virtuous, the best of people, for friends

  1. Gautama Buddha Indian spiritual teacher, born in Lumbini in the Terai Do not have evil-doers for friends, do not have low people for friends: have virtuous people for friends, have for friends the best of men. The Dhammapada, as preserved in the Pali canon (tr. F. Max Müller, 1881)gutenberg.org · c. 500–401 BCE
    Do not have evil-doers for friends, do not have low people for friends: have virtuous people for friends, have for friends the best of men.

A viewour reading

Good company works both ways, and each side improves the other

2 claims filed here, newest first — each in the words of whoever said it.

Keep company with people who will improve you, and with those you can improve; both sides learn

  1. Seneca Roman Stoic philosopher and statesman (c Associate with those who will make a better man of you. Welcome those whom you yourself can improve. The process is mutual; for men learn while they teach. Moral Letters to Lucilius, Letter 7 (tr. Richard M. Gummere, 1917)en.wikisource.org · c. 62–65 CE
    Associate with those who will make a better man of you. Welcome those whom you yourself can improve. The process is mutual; for men learn while they teach.

Good people are thought to grow better through their friendship, each taking the mould of the qualities they admire in the other

  1. Aristotle Greek philosopher (384 to 322 BCE) while the friendship of good men is good, being augmented by their companionship; and they are thought to become better too by their activities and by improving each other; for from each other they take the mould of the characteristics they approve Nicomachean Ethics, Book Nine (tr. W. D. Ross, 1925)en.wikisource.org · c. 367–322 BCE
    while the friendship of good men is good, being augmented by their companionship; and they are thought to become better too by their activities and by improving each other; for from each other they take the mould of the characteristics they approve

A viewour reading

Bad company corrupts you, however good you were to begin with

1 claim filed here, newest first — each in the words of whoever said it.

Keep company with an impure companion and you become impure too, even if you started out pure

  1. Epictetus Greek Stoic philosopher (born in the 50s CE For you must know, that if your companion be impure, he also who keeps company with him must become impure, though he should happen to be pure. Encheiridion of Epictetus, as recorded by Arrian (tr. George Long, 1877)gutenberg.org · c. 89–135 CE
    For you must know, that if your companion be impure, he also who keeps company with him must become impure, though he should happen to be pure.

A viewour reading

You can learn from anyone, by copying the good and avoiding the bad

2 claims filed here, newest first — each in the words of whoever said it.

When you see a worthy person, think of equalling them; when you see the opposite, look inward and examine yourself

  1. Confucius Chinese teacher and thinker (traditionally dated 551 to 479 BCE) When we see men of worth, we should think of equalling them; when we see men of a contrary character, we should turn inwards and examine ourselves. The Analects, as recorded by his disciples (tr. James Legge, 1861)gutenberg.org · c. 551–479 BCE
    When we see men of worth, we should think of equalling them; when we see men of a contrary character, we should turn inwards and examine ourselves.

Anyone you walk with can be your teacher: follow their good qualities and avoid their bad ones

  1. Confucius Chinese teacher and thinker (traditionally dated 551 to 479 BCE) When I walk along with two others, they may serve me as my teachers. I will select their good qualities and follow them, their bad qualities and avoid them. The Analects, as recorded by his disciples (tr. James Legge, 1861)gutenberg.org · c. 551–479 BCE
    When I walk along with two others, they may serve me as my teachers. I will select their good qualities and follow them, their bad qualities and avoid them.

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On the topic, but saying something the views above do not cover.

Friendships require ongoing effort and can fade into mere acquaintance without it.

  1. Stefan Judis German web developer, writer and conference speaker Keeping friendships alive often becomes hard work and "friends for life" can quickly become "people I used to know" if you're not careful. Web Weekly #198 (#blogPost)stefanjudis.com · 16 Aug 2026
    Keeping friendships alive often becomes hard work and "friends for life" can quickly become "people I used to know" if you're not careful.

Behavior is governed by the surroundings, so a good habit only holds when it is the path of least resistance in the rooms a person occupies.

  1. James Clear Writer on habits and decision-making You want to you want to be able to walk into the rooms that you're in each day, and the good habit is the path of least resistance. It's the easiest thing to do. And a lot of the time you walk into rooms and it's the distractions that are easier to do and you feel like you're swimming upstream and trying to fight your environment to make a change happen. The Silent Cost of Bad Habits | James Clearyoutube.com · 1 Jan 2026 · 0:15:19 into the video
    You want to you want to be able to walk into the rooms that you're in each day, and the good habit is the path of least resistance. It's the easiest thing to do. And a lot of the time you walk into rooms and it's the distractions that are easier to do and you feel like you're swimming upstream and trying to fight your environment to make a change happen.

    Watch from 0:15:19 plays here

    ↗The Silent Cost of Bad Habits | James Clearyoutube.com

    1 Jan 2026 · video · 2h 13m · spoken · machine transcript

Much of a person's success is owed to mentors who help guide them without expecting anything in return.

  1. Ivan Santos Brazilian-American staff software engineer working on platforms Many of our victories are owed to the mentors we have known throughout our lives, who have somehow helped us by guiding the path we have decided to pursue without asking for anything in return. Be the guide you always wanted to have in the past.ivansantos.me · 15 Apr 2018
    Many of our victories are owed to the mentors we have known throughout our lives, who have somehow helped us by guiding the path we have decided to pursue without asking for anything in return.

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