"In a world without God, we must create our own meaning, even if it is ultimately meaningless."

实现不可能的唯一方法是相信它是可能的。

You can’t be afraid to fail. It’s the only way you succeed.

As you grow older, you will discover that you have two hands, one for helping yourself, the other for helping others.

动物和人类的有目的行为。