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

虚假的幸福使人变得刻薄和傲慢，而这种幸福从不传播。真正的幸福使他们善良和明智，而这种幸福总是分享的。

［厚葬使］已经获得的财产,都拿来埋掉了；丧后本当产生的财产,又被长时间的禁止所消除。

一行好诗应该让你惊讶两次：当你写下它时和当你读到它时。

任何从成瘾中康复的人都会得到我的尊重

The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man. )

You have to be willing to fail to be successful.