世界上充满了显而易见的事物，却没有人去观察。
The world is full of obvious things which nobody by any chance ever observes.
Insanity is repeating the same mistakes and expecting different results.
建筑师必须是一位科学家。
艺术就是爱，爱就是艺术。
"In mathematics, we often seek elegance and simplicity, but in computer science, we must also consider practicality and efficiency."