我知道必须让孩子们有所专心，怠慢乃是孩子们最可怕的危险。

The system produces needs faster than it can satisfy them, and thus it perpetuates itself.

记忆是一件奇怪的事情。它不像我想象的那样运作。我们不是要记住一切，而是要忘记，继续前进。

In mathematics, the art of proposing a question must be held of higher value than solving it.

To love is to suffer, but to suffer is also to love.

The mathematician's patterns, like the painter's or the poet's, must be beautiful; the ideas, like the colors or the words, must fit together in a harmonious way.

Art should be a space where the unexpected can emerge.