It's so easy to have happiness!

获得快乐很简单！

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Nowadays some think if they are in good health, they have happiness.

现在一些人认为如果他们身体健康，就拥有了幸福。

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You can have happiness and fun.

你可以拥有快乐和乐趣。

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Knowledge leads to happiness, because to have it is to know what is true and real.

VOA: special.2009.11.15

Why should we have happiness as our highest end, as our chief concern, as that which determines the motion of our life?

为什么把快乐作为最终目标，作为主要担心，为什么由它来决定生命活动？

哈佛公开课 - 幸福课课程节选

So, you have two sorts of smiles: A real happiness smile a Duchenne smile--called--also known as the Duchenne smile, and then a Pan Am smile, or greeting smile.

所以，有两种微笑：,真正开心的微笑,杜乡式微笑，泛美式微笑，或问候式微笑。

耶鲁公开课 - 心理学导论课程节选

We have a happiness set point, much like we have a set point for how much we weigh.

FORBES: Penelope Trunk on "The New American Dream"

He hopes to have his happiness app up and running in March 2014.

FORBES: New Project Wants to Know What Gets You Happy and Make it Happen

The researchers took their results and compared them against census data and found that wealthy areas tended to have higher happiness levels and that areas with high rates of obesity has lower happiness levels.

CNN: The happiest and saddest states according to Twitter