黑暗不能驱逐黑暗；只有光明能够做到。仇恨不能驱逐仇恨；只有爱能够做到。

The world is full of willing people; some willing to work, the rest willing to let them.

Investing in research today prevents crises tomorrow.

阅读是穿别人的鞋子走路；写作是留下自己的足迹。