我成功的秘诀就是忠于自我。

You can tell whether a man is clever by his answers. You can tell whether a man is wise by his questions.

当你想要放弃的那一刻，想想你为什么坚持了这么久。

The art of education must be to bring the child to the point where he can educate himself.

农业的成功来自于对土地和耕种者的理解。