今天是我的生日。当我放学回家，我发现一个大蛋糕在我面前，然后我的妈妈和爸爸对我说生日快乐。

Today is my birthday. When I go home after school, I find a big cake in front of me, then my mother and father say happy birthday to me.

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世界卫生组织表示，自我意识是帮助年轻人过上更快乐、更健康生活的十大重要生活技能之一。

The World Health Organization says self-awareness is one of ten important life skills that help young people live happier, healthier lives.

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他们马上赶到麦当劳，疼爱她的丈夫给她点了一份快乐套餐，里面有一个鸡肉汉堡和一大杯巧克力奶昔。

Right away, they hurried to a McDonald's where her loving husband ordered her a Happy Meal with a chicken hamburger and a large cup of chocolate shake.

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He started out by observing that all of us, all human beings are governed by two sovereign masters: pain and pleasure.

边沁通过观察得出，所有人类均受两大至高无上的因素所支配：,痛苦与快乐。

耶鲁公开课 - 公正课程节选

Obviously, if the balance of pleasure over pain is positive, that's better than zero.

显然如果快乐减痛苦是正的，即比零大。

耶鲁公开课 - 死亡课程节选

And then we contribute to this great deception and it is this great deception that leads to the great depression-- the great depression in the ultimate currency of happiness.

就这样我们帮忙壮大了这个大骗局,正是这个大骗局导致严重的抑郁-,严重的抑郁是快乐付出的终极代价。

哈佛公开课 - 幸福课课程节选