Everyone must become their own person, however frightful that may be.

This topic brings me to that worst outcrop of herd life, the military system, which I abhor... This plague-spot of civilization ought to be abolished with all possible speed. Heroism on command, senseless violence, and all the loathsome nonsense that goes by the name of patriotism -- how passionately I hate them!

It's no accident that capitalism has brought with it progress, not merely in production but also in knowledge. Egoism and competition are, alas, stronger forces than public spirit and sense of duty.

Live with purpose. Don't let people or things around you get you down.

It is abhorrent to me when a fine intelligence is paired with an unsavory character.

A country cannot simultaneously prepare and prevent war.

The man of science is a poor philosopher.