道之所存,師之所存 [ㄉㄠˋ ㄓ ㄙㄨㄛˇ ㄘㄨㄣˊ , ㄕ ㄓ ㄙㄨㄛˇ ㄘㄨㄣˊ; dao4 zhi1 suo3 cun2 , shi1 zhi1 suo3 cun2] If sb has grasped the truth before you, take him as your teacher (Tang dynasty essayist Han Yu 韓愈). We should learn from one who knows the way. ◄ ►