“唯一真正无限的是人类爱的能力。”

过去永远不会离开我们；我们把它藏在眼神和声音里。

Welcome, O life! I go to encounter for the millionth time the reality of experience and to forge in the smithy of my soul the uncreated conscience of my race.

过去是一个跟随我们的影子，总是存在，总是影响。

Every mathematical problem is a puzzle waiting to be solved, and every solution is a step towards greater understanding.