"Surely You're Yoking, Mr. Feynman!" by Richard Feynman (1985)

Specialisation requires detachment, which can be arrived at by deep reasoning or by prejudice, and is well sustained by prejudice.

Individuals are bad at solving in parallel multiple optimisation problems with disparate horizons. Peace---the luxury of focusing on the long horizon---is conducive to intellectual pursuits.

A rich choice set has ennobling influence on one's idiosyncrasies. In its presence, one is not forced towards the lowest common denominator. A choice set is expanded by inviting and following up on life's leads.

That is real the idea of which is useful.