"We are what we repeatedly do. Excellence, then, is not an act, but a habit."
我明白痛苦可以成为最大的灵感。
质量从来不是偶然的;它始终是智慧努力的结果。
The best way to predict the future is to create it.
你越深入数学,就越能意识到一切是如何相互关联的。