蒸汽机中运动的产生总是伴随着一个我们应关注的情况，即热量的平衡重建。
Imagination is more important than knowledge.
死亡本身并不可怕；但我们害怕成为未知，去向未知。
I never look back. I look forward.
Investors should avoid trying to time the market; it's a losing game.
Politics is not theory, but practice.