世界是一个黑暗的地方，但其中也有光明。你只需要去寻找。

If the job has been correctly done when a common stock is purchased, the time to sell it is—almost never.

要真正伟大，必须与人民站在一起，而不是凌驾于他们之上。

We must be brave to face challenges and dare to break through ourselves.

反馈是冠军的早餐。

The balance between energy needs and environmental protection is the challenge of our time.

"As scientists, we have a responsibility to communicate our findings to the public in a way that is accessible and understandable."