Good design should be accessible, not elitist.
好的设计应该是可及的，而非精英化的。
The best performance improvement is the transition from the non-working state to the working state.
过去是一团永不停止燃烧的火。
Understanding the computational complexity of learning problems is essential for developing efficient algorithms.
The only limit to our realization of tomorrow is our doubts of today.
自由不是让你想做什么就做什么，自由是教你不想做什么，就可以不做什么。