Darkness cannot drive out darkness； only light can do that.Hate cannot drive out hate； only love can do that.

The most important thing is to be honest with yourself.

Simplicity is not the goal. It is the by-product of a good idea.

预测未来的最好方式就是创造未来。

引力解释了行星的运动，但它不能解释谁让行星运动。

生活的美在于细节。

我不相信贫穷，我相信努力工作。