If you want to feel safe, healthy, and hopeful, try to act as if you did feel that way. "Fake it 'till you feel it." maybe start with health -- try to walk energetically, speak energetically, do physical things.

Don't let perfect be the enemy of good.

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

One reason that challenge brings happiness is that it allows you to expand your self - definition. You become larger. Suddenly you can do yoga or make homemade beer or speak a decent amount of Spanish. Research shows that the more elements make up your identity, the less threatening it is when any one element is threatened.

Nature is impersonal, awe-inspiring, elegant, eternal. It's geometrically perfect. It's tiny and gigantic. You can travel far to be in a beautiful natural setting, or you can observe it in your backyard - or, in my case, in the trees lining New York City sidewalks, or in the clouds above skyscrapers.

Having a messy coat closet should not be a big deal in a full life, and yet there's something about getting control of that coat closet that's surprisingly satisfying.

One of the findings that really interests me is that, although we think we ACT because of the way we FEEL, we often FEEL because of the way we ACT. So an almost uncanny way to change your feelings is to act the way you WISH you felt.