As long as man continues to be the ruthless destroyer of lower living beings， he will never know health or peace. For as long as men massacre animals， they will kill each other.

预测未来的最好方法就是创造未来。

Mathematics is the art of giving the same name to different things.

Remember, if you ever need a helping hand, you'll find them at the end of each of your arms. As you grow older, you will discover that you have two hands, one for helping yourself, the other for helping others.

真实永远触不可及。