人的精神比单纯的体力更重要，人中的精神火花可以被扇成火焰。
我是那些认为科学具有巨大美的人之一。
To me programming is more than an important practical art. It is also a gigantic undertaking in the foundations of knowledge.
Music is a moral law. It gives a soul to the universe, wings to the minds, flight to the imagination, a charm to sadness, gaiety and life to everything. It is the essence of order, and leads to all that is good, just, and beautiful.
理解一个问题就是答案的一半。
我总是告诉我的孩子们，‘如果你要做某件事，就要做好。如果你不打算做好，那就干脆别做。’
In coal mining, safety isn't just a priority—it's a core value.
Don't chase money, get in position where money chase you.
民主不是万灵药。它不能组织一切，也不知道自己的局限性。我们必须正视这些事实。
The future belongs to those who believe in the beauty of their dreams.