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Silence is the language of the wise.

我不斷看到有些人在生活中越過越好，他們不是最聰明的，甚至不是最勤奮的，但他們是學習機器。他們每天夜里睡覺時都比那天早晨聰明一點點。

It is not necessary to take life too seriously. You will never get out of it alive.

We have a responsibility to use our science to improve lives, not just to make profits.

Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

實現明天的唯一限制是我們今天的疑慮。