除非将某人的行动置于其整个生活背景中看待，否则无法完全理解其行动。

Mathematics is the key and door to the sciences.

任何公司最有价值的资产都是它的员工。

The true test of civilization is not the census, nor the size of cities, nor the crops, but the kind of man that the country turns out.

Good can exist without evil， whereas evil cannot exist without good.

Don't let rejection define your path.

Sometimes you put walls up not to keep people out，but to see who cares enough to break them down.

The theory of Communism may be summed up in one sentence: Abolish all private property.