The knowledge that you have emerged wiser and stronger from setbacks means that you are, ever after, secure in your ability to survive. You will never truly know yourself, or the strength of your relationships, until both have been tested by adversity. Such knowledge is a true gift, for all that it is painfully won, and it has been worth more than any qualification I ever earned.

To understand the universe, you must understand the language in which it is written, and that language is mathematics.

There are still many causes worth sacrificing for, so much history yet to be made.

 万物起源之谜我们无法解答；至少我个人甘愿保持不可知论。

Intelligent mining is the key to high-quality development in the coal industry.

The ocean feeds us, and it's our responsibility to ensure we feed it back with care and respect.