适合从事任何特定行业的人,如果没有与他一起工作或在他之上的人的帮助和指导,就无法理解该行业的科学。
有人说人是理性的动物。我一生都在寻找可以支持这一说法的证据。
I don't sing because I'm happy; I'm happy because I sing.
Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.