言教不如身教 [ㄧㄢˊ ㄐㄧㄠˋ ㄅㄨˋ ㄖㄨˊ ㄕㄣ ㄐㄧㄠˋ; yan2 jiao4 bu4 ru2 shen1 jiao4] Explaining in words is not as good as teaching by example (idiom). Action speaks louder than words. ◄ ►