Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。
真相很少是纯粹的，也从来不是简单的。
Freedom is a heavy load, a great and strange burden for the spirit to undertake.
倾听是一种参与行为。
Don’t tell people how to do things, tell them what to do and let them surprise you with their results.
市场的效率往往取决于信息传递的好坏。