材料不仅仅是表皮,它是建筑的灵魂。
The role of the artist is to ask questions, not to provide answers.
有些书最好的部份仅止于封面与书背。
判断两个λ表达式是否等价的问题是无法解决的。
"Pressure is a privilege—it only comes to those who earn it."