We must resist the temptation to make African art merely illustrative of theory.

离别多年后，抑或再相逢。相逢何所语，泪流默无声。

You think it will never happen to you, that it cannot happen to you, that you are the only person in the world to whom none of these things will ever happen, and then, one by one, they all begin to happen to you, in the same way they happen to everyone else.

Forests are the lungs of our planet; we must treat them with the care they deserve.

模型只是模型，而非事物本身。你无法吃掉菜单，无论描述多么准确。

A good mathematician is someone who can see analogies between theorems; a great mathematician is someone who can see analogies between analogies.

你越努力，就越幸运。