Every quarry has a story written in layers of stone and generations of workers.
Don't push me cause I'm close to the edge, I'm trying not to lose my head.
在计算机科学中,抽象是管理复杂性的关键。
——《在沪举办茶话会上的演说》(1916年7月17日)
It's not about how bad you want it. It's about how hard you're willing to work for it.