One of the biggest lessons I have learned in life is this: Be happy with what you have.

我从生活中学到的最重要的一课是：为你所拥有的感到快乐。

youdao

They will never be happy in this world, and when they are older they will be very sorry for it.

他们在这个世界上永远也不会快乐，等他们长大了，他们会为此感到难过的。

youdao

I knew I could not be as happy in another profession.

我知道我从事另一个职业时不可能如此快乐。

youdao

"He also says, as soon as I am prepared, I will be happy to inform the trial chamber and OTP a few weeks in advance.

VOA: standard.2009.10.26

A man who is living in a polis not doing well, how can he be happy? There's just no way.

一个生活在城邦里的人没有做好本分,他怎么会幸福,这是不可能的事情

耶鲁公开课 - 古希腊历史简介课程节选

and he's very, very happy to be in Providence and to get to school and stuff.

他很高兴来到普罗维登斯，也很喜欢上学。

校园生活 - SpeakingMax英语口语达人

However, research is overwhelming that we need to be engaged at work in order to be happy in all areas of our life.

FORBES: The Difference Between Happiness and Engagement at Work

People who believe Joe Paterno's statue should still be standing in Happy Valley probably will, and feel pretty good about it at the end.

NPR: Column: No Rescuing Paterno's Reputation

Quite simply, he says, we have not evolved biologically to be happy in these situations.

ECONOMIST: Nomadism changes buildings, cities and traffic