Albert Einstein was famous for his absent-mindedness. One afternoon he was walking alone on the Princeton campus when a student stopped him to ask a question. The professor answered the question and then asked, “Which way was I going when you stopped me?” “You were walking that way, sir, ” said the student. “In that case, I’ve had lunch, ” the great physicist murmured and continued on his way. (轉載自 偉 達 幫 幫 忙 Karen講笑話 )