Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.
Don’t wait for opportunities—create them.
时间是人类为了理解宇宙而创造的概念,但宇宙本身是永恒的。
We are all alone, born alone, die alone, and—in spite of True Romance magazines—we shall all someday look back on our lives and see that, in spite of our company, we were alone the whole way.
The fact is that every writer creates his own precursors. His work modifies our conception of the past, as it will modify the future.