The theory of relativity is a theory of principle, not a constructive theory.
相对论是一种原理性理论，而非构造性理论。
Hope is the most beautiful people have, as long as they do not give up,hope will always be accompanied by.
The only way of discovering the limits of the possible is to venture a little way past them into the impossible.
现在是过去的钥匙，但过去也可能掌握着未来的钥匙。
Man is the creator of his destiny, not its slave.
我不会让消极情绪打倒我，我会超越它。
文学是发现普通人身上非凡之处的艺术，用普通的语言表达非凡的东西。
安全是石油行业的生命线，任何时候都不能放松。