Listen here. Human kindness can't be bought for pennies or silver. Kindness is kindness. Pennies and silver are pennies and silver. Can't mix the wheat with the chaff.

The future of our industry depends on balancing economic growth with environmental responsibility.

可持续发展不仅仅是一个流行词，而是我们对后代的责任。

The greatest use of life is to spend it for something that will outlast it.

The most exciting moments in mathematics are when you see connections between things that seemed unrelated before.

Given the choice between the experience of pain and nothing, I would choose pain.

事实上，每个作家都会创造自己的先驱。他的作品会改变我们对过去的理解，也会改变未来。