得知今天是你的生日，我祝你幸福，健康，富足，快乐。

I know today is your birthday. I wish you happiness, health, prosperity, and many happy returns!

youdao

仅这一点就让我感到非常快乐、幸福。

Just knowing that makes me feel very happy and blessed.

youdao

不过我已不再这么去想，当下里我只想马上找出幸福快乐的理由。

But no more. I want to start finding a reason to be happy right where I am.

youdao

Second, because I think it is one of the most important pillars of wellbeing and happiness.

第二，因为我认为它是,快乐和幸福的最重要支柱之一。

哈佛公开课 - 幸福课课程节选

If I'm happier, I'm more likely to contribute to other people's happiness and wellbeing.

如果我更快乐，我更有可能,对他人的快乐和幸福作出贡献。

哈佛公开课 - 幸福课课程节选

Which of the various futures that are open to me are likely to give me the better life, leave me better off, measured in terms of pleasure or pain?

也就是向我敞开的各种未来,哪种能给我更好的生活，让我更幸福，用快乐和痛苦来衡量？

耶鲁公开课 - 死亡课程节选