你能否诚实地回答你是快乐的？

Could you honestly say that you are happy?

youdao

明年春天你又要渴望我到这个房子来，你就要回忆过去，而且想到今天你是快乐的。

Next spring you'll long again to have me under this roof, and you'll look back and think you were happy today.

youdao

你是自己快乐的钥匙，因此，往前走，一劳永逸地打开它。

You are the key to your own happiness, so go ahead, unlock it once and for all.

youdao

.. How valuable-- how well off you are, how valuable your life is, is a function of the contents, the pleasure and the pain.

生命的价值-,你有多幸福，你的生活有多少价值，是生活内容的函数，即快乐与痛苦的函数。

耶鲁公开课 - 死亡课程节选

But ultimately, the best way, the optimal way spreading happiness is to work on your own happiness, because then you are leading by example.

但最好的方法，传播快乐的最佳方法是努力争取自己的快乐，因为那时你就成为榜样。

哈佛公开课 - 幸福课课程节选

He wrote his son in 1704, he said, "I may die tomorrow, but be sure that you have little pleasure if you fail to follow my example.

他在一七零四年写给他的儿子信中说到,"我可能明天就死了,而如果你不能遵循我的的脚步,你是不会快乐的的

耶鲁公开课 - 欧洲文明课程节选