Waste neither time nor money, but make the best use of both.

Those who in quarrels interpose, must often wipe a bloody nose.

If you can't pay for a thing, don't buy it. If you can't get paid for it, don't sell it.

The sleeping fox catches no poultry.

...it is prodigious the quantity of good that may be done by one man if he will make a business of it.

Take care of the halfpence and pence, and the shillings and pounds will take care of themselves.

At twenty years of age the will reigns; at thirty, the wit; and at forty, the judgment.