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.

I've found that I snack less and concentrate better when I chew on a plastic stirrer - the kind that you get to stir your to-go coffee. I picked up this habit from my husband, who loves to chew on things. His favorite chew-toy is a plastic pen top, and gnawed pen tops and little bits of plastic litter our apartment.

[Benjamin Franklin]identified thirteen virtues he wanted to cultivate--temperance, silence, order, resolution, frugality, industry, sincerity, justice, moderation, cleanliness, tranquility, chastity and humility--and made a chart with those virtues plotted against the days of the week. Each day, Franklin would score himself on whether he practiced those thirteen virtues.

In 'Before and After,' I identify the sixteen strategies that we can use to make or break our habits. Some are quite familiar, such as 'Monitoring,' 'Scheduling,' and 'Convenience.' Some took me a lot of effort to identify, such as 'Thinking,' 'Identity,' and 'Clarity.'

... one flaw throws the loveliness of [everything else] into focus. I remember reading that Shakers deliberately introduced a mistake into the things they made, to show that man shouldn't aspire to the perfection of God. Flawed can be more perfect than perfection.

People feel happier when they feel like they're progressing. When they feel like something in their life is growing or getting better.

Nothing,' wrote Tolstoy, 'can make our life, or the lives of other people, more beautiful than perpetual kindness.