Those who never have time do least

Do not say hypothesis, and even less theory: say way of thinking.

Be wary of passing the judgment: obscure. To find something obscure poses no difficult, elephants and poodles find many things obscure.

Prejudices are so to speak the mechanical instincts of men: through their prejudices they do without any effort many things they would find too difficult to think through to the point of resolving to do them.

He who is in love with himself has at least this advantage - he won't encounter many rivals.

It is almost impossible to carry the torch of truth through a crowd without singeing somebody's beard.

If another Messiah was born he could hardly do so much good as the printing-press.