"The pursuit of knowledge is a lifelong journey with no final destination."

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

心的记忆会消除坏的，放大好的。

Safety must always come first in mining operations.

广义相对论可能是所有现有物理理论中最美的。

The question I ask myself like almost every day is, 'Am I doing the most important thing I could be doing?'

You have to believe in the reality of the world and the reality of the people in it.

To be disconnected from the land is to be disconnected from ourselves.