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The test of our progress is not whether we add more to the abundance of those who have much; it is whether we provide enough for those who have too little.

教育者的心必須是一團活生生的火焰，是溫暖和光明的源泉。

新聞自由不僅對民主重要，它就是民主。

A moment is a small piece of time, but it can be a very important piece of time.

Every experiment is a question posed to nature, and every result is nature's answer.

最大的風險是不冒任何風險。在一個快速變化的世界里，唯一注定失敗的策略就是不冒險。

每一本書都是一次旅程，每一次旅程都是一本書。