Ambitions to contribute to many disciplines today are probably unrealistic.

Drawn from what David Edmonds said

What this subject means

ambition How much to take on and how hard to push: superlinear returns to effort, focus, slack time, and procrastination.

What David Edmonds actually said

Do you hold this korrent?Do you also believe this?

Shared subject first, then similar wording. They may agree or disagree.