Being right is less important to us than the freedom to be wrong.

One must credit an hypothesis with all that has had to be discovered in order to demolish it.

On the brink of being satiated, desire still appears infinite.

Renown? I've already got more of it than those I respect, and will never have as much as those for whom I feel contempt.

We bestow on others praise in which we do not believe, on condition that in return they bestow upon us praise in which we do.

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

I prefer the honest jargon of reality to the outright lies of books.