伟大的哲学家是那些有勇气为自己思考的人。
The great philosophers are those who have the courage to think for themselves.
技术没有捷径，只有脚踏实地一步一步往前走。
A well-designed system should be easy to use, easy to understand, and easy to modify.
When every penny must be calculated, the margin for error evaporates.
孕育过一次邪恶的灵魂，此后便无法滋养善良。
边界不是一条线，而是一道伤口。