It's always wise to seek the truth in our opponents' error, and the error in our own truth.

Great talents have some admirers, but few friends.

I think I should know how to educate a boy, but not a girl; I should be in danger of making her too learned.

The idea that the profits of capital are really the rewards of a just society for the foresight and thrift of those who sacrificed the immediate pleasures of spending in order that society might have productive capital, had a certain validity in the early days of capitalism, when productive enterprise was frequently initiated through capital saved out of modest incomes.

One of the most pathetic aspects of human history is that every civilization expresses itself most pretentiously, compounds its partial and universal values most convincingly, and claims immortality for its finite existence at the very moment when the decay which leads to death has already begun.

Men have never been individually self-sufficient.

Original sin is that thing about man which makes him capable of conceiving of his own perfection and incapable of achieving it.