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If I had to live my life over again, I would live it as a trader of goods.

人は、自分が信じたいものを信じる。

數(shù)學不僅僅是關(guān)于數(shù)字、方程、計算或算法：它是關(guān)于理解的。

I'm always looking for new challenges, new ways to push myself creatively.

In times of change, the learners inherit the earth, while the learned find themselves beautifully equipped to deal with a world that no longer exists.

你不必完美，只要真實。