勇敢一点，冒险一试，没有什么能替代经验。
It is India that gave us the ingenious method of expressing all numbers by means of ten symbols, each symbol receiving a value of position as well as an absolute value.
粮仓充实，民众就能知道礼节；衣食充足，民众就能知道耻辱。
唯一能替代一件艺术品的，是另一件艺术品。