The beauty of mathematics is that it allows us to abstract away from the physical world and focus on the underlying principles.
写作的行为是一种生存的行为。
科学与技术的进步并不意味着大多数人生活中智识复杂度的增加。通常恰好相反。
我总是相信自己能赢,但我知道这并不容易。
The past is not dead; it is not even past.