Freedom does not consist in any dreamt-of independence from natural laws, but in the knowledge of these laws, and in the possibility this gives of systematically making them work towards definite ends.
在黑暗中,我们找到了自己人性的光芒。
一个好的数学家是懒惰的,但要以建设性的方式。
Let's go invent tomorrow instead of worrying about what happened yesterday.
Will you follow dogma, or will you be original?
如果你不喜欢某件事,就去改变它。如果你无法改变它,就改变你的态度。