When you arrive at your room in a hotel， locate the emergency exits. It only takes a minute.

一流的智力的考验是同时持有两种相反的观点，并且仍然保持运作的能力。

The secret of life is not just to survive, but to thrive with passion, compassion, humor and style.

The goal of economics is to understand how to allocate scarce resources in the most efficient way possible.

释义：他视空气为宇宙间一切事物相互联系的媒介和纽带。