凡授书不在徒多,但贵精熟。
解析:学习不在数量,而在精通。
"Sometimes you have to lose yourself to find yourself."
"History is not the past—it is the method we have evolved of organizing our ignorance of the past."
数学不知道种族或地理边界;对于数学来说,文化世界是一个国家。
投票给承诺最少的人;他将是最不令人失望的。
"The greatest wisdom lies in understanding that we know nothing at all."