In science, we must be interested in things, not in persons.

The world loved man when he smiled. The world became afraid of him when he laughed.

你不必具备量子力学所要求的能力。你只需要知道一些简单的事情，并真正了解它们。

Quality should never be compromised for speed.

Quality should never be compromised for short-term gains.

煤炭的未来在于清洁高效利用。