"The truth is rarely pure and never simple."

疯狂与天才之间的界限是由那些害怕两者的人划定的。

科学的每一个伟大进步都源于想象力的新大胆。

挑战是伪装的机会；用勇气拥抱它们。

Give the pupils something to do, not something to learn; and the doing is of such a nature as to demand thinking; learning naturally results.

What appears good to one may appear evil to another， and vice versa.

我们不是在做电商，我们是在做社交电商。