A man should always consider how much he has more than he wants.

Happiness is not something you postpone for the future; it is something you design for the present.

The true measure of a mining company isn't its stock price, but its stewardship.

The world is a canvas, and we are all artists in our own way.

世界需要更多像工程师一样思考的科学家，以及更多像科学家一样思考的工程师。