To love an idea is to love it a little more than one should.

Far too often the choices reality proposes are such as to take away one's taste for choosing.

Whether man is disposed to yield to nature or to oppose her, he cannot do without a correct understanding of her language

I think I am one of those who can manage not to take on a completely different appearance under their own glance.

It is sometimes important for science to know how to forget the things she is surest of.

To say of men that they are bad is to say they are worse than we think we are, or worse than the ideal man whose image we have built up on the basis of a certain few.

Greatness, in order to gain recognition, must all too often consent to ape greatness.