One day is worth a thousand tomorrows.

Those who beat their swords into plowshares usually end up plowing for those who kept their swords.

Most men die at 25, we just don't bury them until they are 70.

Furnished as all Europe now is with Academies of Science, with nice instruments and the spirit of experiment, the progress of human knowledge will be rapid and discoveries made of which we have at present no conception. I begin to be almost sorry I was born so soon, since I cannot have the happiness of knowing what will be known a hundred years hence.

When you speak to a man, look on his eyes; when he speaks to you, look on his mouth.

Lend money to an enemy, and thou will gain him, to a friend and thou will lose him.

I believe long habits of virtue have a sensible effect on the countenance.