我总是感到，生活就象萌发于地下根茎的植株。生活的真正生命是不可见的，它深藏于地下根茎中，而显露出地面的可见一斑部分只能生存一个夏季。我们所见到的是将会消逝的花簇，而根茎长驻。

人是自己的囚犯。

Every tree we plant today is a promise to tomorrow.

The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.

当你为了美而欺骗的那一刻，你就知道自己是个艺术家。