The biggest waste of time is to do well something that we need not do at all.

Focus Not on Having Less or Having More, But on Wanting What You Have.

When I find myself focusing overmuch on the anticipated future happiness of arriving at a certain goal, I remind myself to 'Enjoy now'. If I can enjoy the present, I don't need to count on the happiness that is (or isn't) waiting for me in the future".

Being taken for granted is an unpleasant but sincere form of praise. Ironically, the more reliable you are and the less you complain, the more likely you are to be taken for granted.

The most reliable predictor of not being lonely is the amount of contact with women. Time spent with men doesn't make a difference.

Feelings follow actions. If I'm feeling low, I deliberately act cheery, and I find myself actually feeling happier. If I'm feeling angry at someone, I do something thoughtful for her and my feelings toward her soften. This strategy is uncannily effective.

Volunteering to help others is the right thing to do, and it also boosts personal happiness