In mathematics, the most profound ideas often arise from the simplest observations.

Every setback is a setup for a comeback.

世界是平的，但竞技场并不公平。

The trouble with most people is that they think with their hopes or fears or wishes rather than with their minds.

I'd rather make mistakes than do nothing.

游戏行业变化很快，只有不断学习才能不被淘汰。