Innovation is the key to solving the challenges in grain production.

Mathematics advances not by the efforts of individuals alone but through the collective work of generations.

解释：天道远离人间，人道则存在于身边的社会人事之中，可以就近掌握。对于人所难及的事物，如何能知道呢？

我不是说唱歌手，我是个领袖。