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。
The concept of NP-completeness has provided a powerful tool for understanding the complexity of problems.
你不必完美才能激励他人。
量子力学不仅是一种理论，而且是一种新的思维方式。
The stock market is the story of cycles and of the human behavior that is responsible for overreactions in both directions.
心意粗疏性情暴躁则一事无成；心平气和，许多好事会接连不断地集中。
"A painting should be a feast for the eyes, a poem without words."
