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

Drive thy business or it will drive thee.

If you'd be wealthy, think of saving, more than of getting: The Indies have not made Spain rich, because her Outgoes equal her Incomes.

Remember, Sir, that [England] began the slave trade!

A man may, if he knows not how to save as he gets, keep his nose to the grindstone.

Conceiving God to be the fountain of wisdom, I thought it right and necessary to solicit his assistance for obtaining it.

Three may keep a secret, if two of them are dead.