The key to happiness is to keep yourself busy, according to researchers from the University of Chicago.

芝加哥大学的研究人员表示，快乐的秘诀是使自己处于忙碌的状态。

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I'd tried to keep the happiness of gardening to myself, and here was a child who couldn't wait to share with others.

我一直想把园艺的快乐留给自己，而这里有一个迫不及待地想和别人分享的孩子。

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Just keep your end goal in mind - better health, fitness, and happiness - and find ways to enjoy your workout.

只要记住你的最终目标——更健康，体质更强和更加快乐，还有寻找出享受锻炼的方法。

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"If we keep defining our happiness through how much we consume it's going to lead to tragic end,"

VOA: standard.2010.01.23

How to gain, how to keep, how to recover happiness, is in fact for most men at all times the secret motive of all they do, and all they are willing to endure."

如何获得，如何保持，如何重获快乐，是多数人时刻怀有的秘密动机，是他们愿意忍受一切的目的“

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Research by Harvard psychologist Dan Gilbert, author of Stumbling on Happiness, shows that reversible, keep-your-options-open decisions reliably lead to lower levels of satisfaction than irreversible ones.

FORBES: Why Keeping Your Options Open Is Really, Really Bad Idea