能量守恒定律不仅仅是一个抽象原则;它是已被无数实验验证的自然法则。
The true measure of a bank's success is not just its profits, but its positive impact on society.
Being something and doing something that no one had done before are two different things.
我们成功的真正衡量标准是我们为后代留下了什么。
对一项神圣事业的信仰相当程度上替代了已经失去的自信。