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Patriotism is not a choice, but a duty.

藝術(shù)家必須保持自由，甚至要從自己的風(fēng)格中解放出來(lái)。

In a rapidly changing market, the only constant is change itself, and we must learn to adapt.

The definition of a good mathematical problem is the mathematics it generates rather than the problem itself.

我不考慮成為最好的。我考慮每天進(jìn)步。

痛苦的生活源于錯(cuò)誤的比較。