Efficiency is doing things right; effectiveness is doing the right things.
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'
持续学习是保持竞争优势的唯一途径。
In every word, there is a world waiting to be discovered.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
Speak confidently as if you are right， but listen carefully as if you are wrong.
The privilege of a lifetime is to become who you truly are.