How to Make Yourself Happier.

My First Splendid Truth is: To be happier, you have to think about feeling good, feeling bad, and feeling right, in an atmosphere of growth. Although this sounds like a simple and rather obvious formula, it took me a huge amount of time and thinking to work it out.

Even once I'd come up with it, however, I didn't understand the true importance of the fourth element, the atmosphere of growth. But the more I think about the elements of a happy life, the more convinced I've become of its...