数学的研究对科学的发展就像空气或水一样。
The study of mathematics is like air or water to the development of science.
凡事不能只看表面现象。钓鱼人虽然躬着身子，并不是因为对鱼恭敬；捕捉老鼠的人，把虫子留给老鼠吃，并不是因为喜爱老鼠。
我写歌是因为我脑子有问题，需要发泄。
Know what you own, and know why you own it.
Purposive behavior in animals and men.
Making games should return to the essence, fun is the ultimate truth.