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

One must judge men not by their opinions, but by what their opinions have made of them.

A schoolteacher or professor cannot educate individuals, he educates only species.

We accumulate our opinions at an age when our understanding is at its weakest.

Bad writers are those who try to express their own feeble ideas in the language of good ones.

Perseverance can lend the appearance of dignity and grandeur to many actions, just as silence in company affords wisdom and apparent intelligence to a stupid person.

I have remarked very clearly that I am often of one opinion when I am lying down and of another when I am standing up.