"Courage is not the absence of fear, but the triumph over it."
数算练习告诉我们算术运算的原理,而不是单单的记忆和不断演算。
A company's greatest asset is its people—invest in them, and they will drive success.
We have a responsibility to use our science to improve lives, not just to make profits.
你额头的汗水赚取的收入应该以最低的税率征税,而不是最高的税率。资本收益应该以更高的税率征税。