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別讓失敗定義你，讓它們教會你。

The process of doing mathematics is more important than the result.

The most perfect education, in my opinion, is such an exercise of the understanding as is best calculated to strengthen the body and form the heart.

生命是脆弱的。我們不能保證明天，所以要全力以赴。

數學不僅僅是關于數字、方程、計算或算法：它是關于理解的。