有时候最简单的旋律最有力量。

The more the division of labor and the application of machinery extend, the more does competition extend among the workers, the more do their wages shrink together.

Innovation is not achieved overnight, but requires continuous effort and persistence.

教育是最有力的武器，可以改变世界。

最好的领导者是那些培养其他领导者的人。