革命是通过人类进行的，但个人必须日复一日地锻造自己的革命精神。

艺术家必须是神圣的影子。

Not he who has much is rich, but he who gives much.

The deepest insights in mathematics often come from the most abstract theories.

我不害怕跌倒，因为我知道我会再次站起来。