The study of mathematics is the indispensable basis for all intellectual and spiritual progress.
Old minds are like old horses; you must exercise them if you wish to keep them in working order.
Sometimes the most profound mathematics comes from playing with simple ideas until they reveal their hidden complexity.
I don't want to be better than anyone else, I just want to be better than myself.
任何从成瘾中康复的人都会得到我的尊重