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

When men are employ'd, they are best content'd; for on the days they worked they were good-natur'd and cheerful, and, with the consciousness of having done a good day's work, they spent the evening jollily; but on our idle days they were mutinous and quarrelsome, finding fault with their pork, the bread, etc.

It is much easier to suppress a first desire than to satisfy those that follow.

In order to be happy you need a good dog, a good woman, and ready money.

You may be more happy than Princes, if you will be more virtuous.

A good conscience is a continual Christmas.

On the whole, though I never arrived at the perfection I had been so ambitious of obtaining, but fell far short of it, yet as I was, by the endeavor, a better and a happier man than I otherwise should have been had I not attempted it

By heaven we understand a state of happiness infinite in degree, and endless in duration.

I was surprised to find myself so much fuller of Faults than I had imagined, but I had the Satisfaction of seeing them diminish.