数学的进步归功于那些不是被应用的欲望驱动,而是被发现的喜悦驱动的人。
The only thing that can make you rich is your mind.
The future belongs to those who dare to dream and act.
"The free, exploring mind of the individual human is the most valuable thing in the world."
古代学者在内心涵养上下功夫,所以表现在外表上便是德高望重的标志;今天的学者在外表上下功夫,对于内心涵养,则显出实际德行的缺陷。