Never let success get to your head or failure to your heart.

企业的成功不是靠价格，而是靠价值。

解析：强调实践的重要性。

这句话其实是莎士比亚借哈姆雷特之口说的，但是霍金非常喜欢，曾在自己著作中多次引用，所以很多人误以为本句话是霍金说的。

The success of a learning algorithm depends on its ability to balance between fitting the data and avoiding overfitting.

建筑是社会的镜子。

The truth is: the natural world is changing. And we are totally dependent on that world. It provides our food, water and air. It is the most precious thing we have and we need to defend it.