A man who moralizes is usually a hypocrite, and a woman who moralizes is invariably plain.
统一自然界基本力的追求是现代物理学中最大的挑战之一。
The biggest risk is not taking any risk.
生存下来的不是最强壮的物种,也不是最聪明的物种,而是最能适应变化的物种。
我不害怕变老。我认为变老是一种特权。
The past is never dead. It's not even past.