Every life is in many days, day after day. We walk through ourselves, meeting robbers, ghosts, giants, old men, young men, wives, widows, brothers-in-love, but always meeting ourselves.
在数学中,最简单的问题往往能引出最深刻的见解。
Mathematics is the art of giving the same name to different things.
"A key insight in computational learning theory is that the complexity of a learning problem is determined by the complexity of the hypothesis space and the amount of data available."
"The truth is, we all carry our prisons within us."