艺术家必须是哲学家、诗人,尤其是革命者。
如果你不固执,就会过早放弃试验。如果你不灵活,就会头撞南墙,而无法另辟蹊径解决当下难题。
环境塑造人,交友需谨慎。
Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.