Take time for all things: great haste makes great waste.

The U.S. Constitution doesn't guarantee happiness, only the pursuit of it. Your have to catch up with it yourself.

He that falls in love with himself will have no rivals.

Does't thou love life? Then do not squander time for that is the stuff life is made of.

How much more than necessary do we spend in sleep, forgetting that the sleeping fox catches no poultry, and that there will be sleeping enough in the grave, as Poor Richard says.

If you would not be forgotten as soon as you are dead either write things worth reading or do things worth writing.