"The world is full of poetry. The air is living with its spirit; and the waves dance to the music of its melodies, and sparkle in its brightness."

你太慷慨了，不要跟我开玩笑。如果你的感情仍然和去年四月一样，请立刻告诉我。我的感情和愿望没有改变，但是你的一句话将永远让我对这个问题保持沉默。

It is the duty of the human understanding to understand that there are things which it cannot understand.

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

The state of nature has a law of nature to govern it, which obliges every one: and reason, which is that law, teaches all mankind, who will but consult it, that being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.