机器学习的最终目标是制造能够从经验中学习并随时间提高性能的机器。
"It is a capital mistake to theorize before one has data."
作家必须是一个异端，一个质疑所有绝对的人。
In the part of this universe that we know there is great injustice， and often the good suffer， and often the wicked prosper， and one hardly knows which of those is the more annoying.