追求数学知识是一场永无止境的冒险,充满了挑战、惊喜和解决不可解问题的满足感。
你不尝试就不知道你能达到什么。
"A book is a conversation between the writer and the reader across time."
The brain is not a passive recipient of stimuli but an active organizer of perception.
生命的纪律是秩序;智力的纪律是专注;行为的纪律是顺从。