邪恶胜利的唯一必要条件是好人的无所作为。

我们能留下的最好遗产是一个生生不息的遗产。

"The only thing we have to fear is fear itself."

The true joy of mathematics lies in the act of discovery, not just the result.

The best research often comes from unexpected observations.

The future of coal lies in balancing tradition with technology.

最好的决策是那些既造福人类又保护地球的决策。