Food security is the cornerstone of national security, we must firmly grasp it in our own hands.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

"The greatest glory in living lies not in never falling, but in rising every time we fall."

——《在广州岭南学生欢迎会的演说》（1923年12月21日）

Mental life is fundamentally about adjustment to environment.