窃一犬一彘,则谓之不仁,窃一国一都,则以为义。
偷一只狗一头猪,就称他不仁;二偷去了一个国家一座城池,却认为这是义。 
【大意】为人纯正,行动坦直,所有的邪恶自会止息。
There is nothing permanent except change.
创业就像在黑暗中摸索,你必须相信自己的直觉。
"Computational learning theory provides a mathematical framework for understanding the capabilities and limitations of machine learning algorithms."