压力要么让管道爆裂，要么造就钻石。

The state is the most important institution in human society because it is the only one that can legitimately use force to maintain order.

生活只能向后理解；但它必须向前生活。

And when your sorrow is comforted time soothes all sorrows you will be content that you have known me. You will always be my friend. You will want to laugh with me. And you will sometimes open your window, so, for that pleasure…

The first step in the art of cutting metals is to find a man who has the necessary skill and experience to do the work.

译文：善于创始的人不一定完成得很好，有个好开头的人不一定有好结果。