I have but one lamp wait which my feet are guided; and that is the lamp of experience. I know of no way of judging of the future but by the past. (Pa">有经验而无学问胜于有学问而无经验。(英国哲学家、数学家 罗素.B.) I have but one lamp wait which my feet are guided; and that is the lamp of experience. I know of no way of judging of the future but by the past. (Pa