Profit and purpose are not opposites; they must go hand in hand.
If you can’t tell what you desperately need， it’s probably sleep.
可能世界是被规定的，而不是通过强大的望远镜发现的。
The computer is a fantastic tool if you know how to use it.
笑，全世界便与你同声笑，哭，你便独自哭。