Overfishing will only turn the ocean into a desert, we must learn restraint.

"The only thing necessary for the triumph of evil is for good men to do nothing."

The truth is a knife, and it cuts both ways.

In foreign policy, the currency of trust is more valuable than gold.

热爱真理，但宽恕错误。

Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.

空间是一种物质。