It is impossible for your reasons to be unhappy to exceed those to be happy.

Some of the people who we envy for having something we lack envy us for lacking something they have.

For a sane person to sincerely be happy that someone has succeeded, they have to either be profiting or likely to profit from that person’s success, or be that person.

We are sometimes depressed by our failure to convince people who strongly believe that we are that we are definitely not depressed.

Some people each left their spouse or lover because he or she was no longer the primary source of their happiness; some, because their spouse or lover was, at that time, the primary source of their unhappiness.

Unhappiness is a contagious disease caused by a chronic deficiency of gratitude.

It is humanly impossible to be unhappy while you are dancing or laughing willingly.

As useful as an unhappy artist. As useless as a happy philosopher.

Expectation is the only seed of disappointment.