I don’t know what the market is going to do. I just try to buy things that are cheap.
The future is not something we enter. The future is something we create.
The most rewarding part of science is seeing your work help others.
粮食富裕，人们就知道礼节；衣食丰足，人们就懂得荣辱。
无论成本压力如何，质量都不应妥协。