无论成本压力如何，质量都不应妥协。

I believe in being strong when everything seems to be going wrong.

The world is so unpredictable. Things happen suddenly, unexpectedly. We want to feel we are in control of our own existence. In some ways we are, in some ways we're not. We are ruled by the forces of chance and coincidence.

数学的本质在于它的自由。

生活的目的不是快乐，而是有用、光荣、富有同情心，让你活得有意义、活得好。

"The future of energy lies in balancing sustainability with profitability."

"In the end, we will remember not the words of our enemies, but the silence of our friends."

你不必完美，只要真实。