You see, Mademoiselle, I have experience, I know the world. To pass the time, why don't you ask every passenger to tell you his life's story? And if there is a single one among them who has never cursed his life, who has not often told himself that he was the unhappiest of men, then you may throw me overboard, headfirst!

One feels like crawling on all fours after reading your work.

There are no sects in geometry.

When truth is evident, it is impossible for parties and factions to rise. There never has been a dispute as to whether there is daylight at noon.

A little evil is often necessary for obtaining a great good.

What is tolerance? It is the consequence of humanity.

He must be very ignorant for he answers every question he is asked.