Wise people are never less alone than when they are alone.

Although men are accused of not knowing their own weakness, yet perhaps few know their own strength. It is in men as in soils, where sometimes there is a vein of gold which the owner knows not of.

I won't quarrel with my bread and butter.

Your notions of friendship are new to me; I believe every man is born with his quantum, and he cannot give to one without robbing another. I very well know to whom I would give the first place in my friendship, but they are not in the way, I am condemned to another scene, and therefore I distribute it in pennyworths to those about me, and who displease me least, and should do the same to my fellow prisoners if I were condemned to a jail.

Vanity is a mark of humility rather than of pride.

Observation is an old man's memory.

Ah, a German and a genius ! A prodigy, admit him !