我们不必如此努力。
The essence of philosophy is not the possession of truth but the search for truth.
Quality is never an accident; it is always the result of intelligent effort.
The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
No man's knowledge here can go beyond his experience.
小说不仅仅是一个故事；它是一面映照社会的镜子。
家不是一个地方，而是一系列时刻，一系列记忆的集合。
美国以其广阔的能力，能够在其境内容纳地球上所有的人口。