发现说谎者悖论及相关悖论使人们认识到，直觉上的真理概念并不像乍看起来那么简单。

Innovation is the key to sustainable development in the oil and gas industry. We must embrace new technologies to drive efficiency and environmental protection.

But this long run is a misleading guide to current affairs. In the long run we are all dead.

The sociological imagination enables its possessor to understand the larger historical scene in terms of its meaning for the inner life and the external career of a variety of individuals.

The world is a book, and those who do not travel read only one page.

一个人的真正价值不在于他拥有什么，而在于他是什么。

Writing is a way of being in the world, a way of understanding it, and a way of changing it.