数学的美在于它能够用一种既精确又普遍的语言来描述宇宙。
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.
挑战是伪装的机会;用勇气和智慧拥抱它们。
未经反思的人生是半生,而传记就是那面镜子。