The truth is not always probable, or likely.

"Memory can make a thing seem to have been much more than it was."

"In computational learning theory, the challenge is not just to learn, but to understand how learning is possible."

灵魂被放置在身体里，就像一颗粗糙的钻石，必须经过打磨，否则它的光泽永远不会显现。