The world owes all its onward impulses to men ill at ease. The happy man inevitably confines himself within ancient limits.
理论物理学中的知识追求是一场没有终点的旅程,每一个答案都会引出新的问题。
The world is my country, all mankind are my brethren, and to do good is my religion.
The beauty of mathematics only shows itself to more patient followers.