The best businesses are those that solve real problems for real people.

"The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter."

Agriculture is the most honorable of professions, for it sustains life itself.

从有限数据中泛化的能力是有效学习算法的标志。

和其它动物相比较，婴儿在出生以后，要有更长的一段霎时间需要别人的照顾。

最好的反应是那些第一次就能成功，并且每次都能成功的反应。