让我们尝试教导慷慨和利他主义，因为我们天生自私。
Let us try to teach generosity and altruism, because we are born selfish.
可以利用身体自身的防御机制来对抗癌症。
The best investment you can make is in yourself.
The only way to get rid of a temptation is to yield to it.
We must not be afraid to be wrong, for only by being wrong can we learn and progress.