“With four parameters I can fit an elephant, and with five I can make him wiggle his trunk.”
英语
“用四个参数我能拟合出一头大象，用五个参数我能让它摇鼻子。”
恩里科·费米引述
“Young man, in mathematics you don't understand things. You just get used to them.”
英语
“年轻人，在数学中你不是去理解事物，你只是去习惯它们。”