Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

自然界无处可憎或卑劣，而是处处令人赞叹且无穷无尽。

城市是我的主题。它对我来说是无穷无尽的魅力。

宽恕属于受伤者；但作恶者永不宽恕。

这值得说两遍：量两次才切一次。