Don't let the noise of others' opinions drown out your own inner voice.
To teach mathematics is to inspire the next generation of thinkers and problem solvers.
用户体验差1%,在规模化后就是100%的灾难。
We must stop just talking about change and start acting.
永远倾听你的观众。如果你愿意听,他们会告诉你他们想要什么。