We are what we repeatedly do. Excellence, then, is not an act but a habit.

I just want to make people happy.

身份高贵的人，不应该欺凌地位卑贱的人；腰缠万贯的人，不应该对穷人傲慢无礼。否则的话，他的荣华富贵就很难持久了。

Never stop learning, because life never stops teaching.

If there's a book that you want to read, but it hasn't been written yet, then you must write it.

教育的目的是弥补我们本能思维方式的不足。

The only limits in life are the ones you set for yourself.

世界需要负责任的矿工，他们既了解矿产的价值，也明白地球的价值。

The roots of education are bitter, but the fruit is sweet.

Courage consists not in hazarding without fear； but being resolutely minded in a just cause.