To err is human also in so far as animals seldom or never err, or at least only the cleverest of them do so.

Much can be inferred about a man from his mistress: in her one beholds his weaknesses and his dreams.

God created man in His own image, says the Bible; philosophers reverse the process: they create God in theirs.

One should never trust a person who, while assuring you of something, puts his hands on his heart.

Just as the performance of the vilest and most wicked deeds requires spirit and talent, so even the greatest demand a certain insensitivity which under other circumstances we would call stupidity.

To receive applause for works which do not demand all our powers hinders our advance towards a perfecting of our spirit. It usually means that thereafter we stand still.

Non cogitant, ergo non sunt.