It is better to have too much courtesy than too little, provided you are not equally courteous to all, for that would be injustice.

There are friendships merely for pleasure, some for the exchange of ideas. Rarest are those friends of one's inmost self.

Cultivate those who can teach you.

It is a novel kind of supremacy, the best that life can offer, to have as servants by skill those who by nature are our masters.

Let him that hath no power of patience retire within himself, though even there he will have to put up with himself.

Great ability develops and reveals itself increasingly with every new assignment.

We have more days to live through than pleasures. Be slow in enjoyment, quick at work, for men see work ended with pleasure, pleasure ended with regret.