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Character is doing the right thing when nobody's looking. There are too many people who think that the only thing that's right is to get by, and the only thing that's wrong is to get caught.

數(shù)學(xué)不僅僅是關(guān)于數(shù)字、方程、計(jì)算或算法：它是關(guān)于理解的。

"Life is not what one lived, but what one remembers and how one remembers it to tell it."

The task of the modern educator is not to cut down jungles, but to irrigate deserts.

The way to succeed is to double your failure rate.