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。
We Irish are too poetical to be poets; we are a nation of brilliant failures, but we are the greatest talkers since the Greeks.
"Kids are the toughest audience, but also the most rewarding."
I think it's important to take risks and to not be afraid of failure.
The best art education is teaching students how to see.
史记
Innovation is not just about creating new things, but also about improving what already exists.