Old boys have their playthings as well as young ones; the difference is only in the price.

Spare when young, and spend when old.

The game of Chess is not merely an idle amusement; several very valuable qualities of the mind are to be acquired and strengthened by it, so as to become habits ready on all occasions, for life is a kind of chess.

Who is strong? He that can conquer his bad habits.

The learned fool writes his nonsense in better language than the unlearned, but it is still nonsense.

He'll cheat without scruple, who can without fear.

In going on with these Experiments, how many pretty systems do we build, which we soon find ourselves oblig'd to destroy! If there is no other Use discover'd of Electricity, this, however, is something considerable, that it may help to make a vain Man humble.