尽一切职责，而不希望得到任何回报。

The best way to be happy is to be kind.

Hard work beats talent when talent doesn’t work hard.

Concerning the gods, I have no means of knowing whether they exist or not or of what sort they may be. Many things prevent knowledge including the obscurity of the subject and the brevity of human life.

I've found time can heal most anything, and you just might find what you're looking for.

我到办公室总是迟到，但我早退弥补了这一点。

"Parental investment is the key to understanding the origins of sex differences."