如果你没有前进,那你就是在落后。
Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.
真相对任何人都没有真正的价值——它是数学家和哲学家追求的象征。在人际关系中,善意和谎言胜过千言万语的真实。