I have not wasted my life trifling with literary fools in taverns, as Johnson did, when he should have been shaking England with the thunder of his spirit

Capitalism justified itself and was adopted as an economic principle on the express ground that it provides selfish motives for doing good, and that human beings will do nothing except for selfish motives

I occasionally swank a little because people like it; a modest man is such a nuisance.

A genius is a person who is seeing further and probing deeper than other people has a different set of ethical valuations from their and has energy enough to give effect to this extra vision and its valuations in whatever manner best suits his or her

A lifetime of happiness! No man alive could bear it: it would be hell on earth.

Even the youngest of us may be wrong sometimes.

Those who admire modern civilization usually identify it with the steam engine and the electric telegraph.