First Splendid Truth
To be happier, you have to think about feeling good, feeling bad, and feeling right, in an atmosphere of growth.

Second Splendid Truth
One of the best ways to make yourself happy is to make other people happy;
One of the best ways to make other people happy is to be happy yourself.

Third Splendid Truth
The days are long, but the years are short. (click the link to see my one-minute movie)

Fourth Splendid Truth
You’re not happy unless you think you’re happy.
corollary: You’re happy if you think you’re happy.

Actually seen on Fred Wilson's blog. I'm usually pretty good about these things. I need to focus on not getting trapped in a downward spiral - often times a sign of a) not enough 'me' time and/or b) not enough friend time. But some times I confuse (b) with (a) and spend too much time locked in my own head.