Never do things by halves. 凡事不可半途而废。 Neverjudge from appearance. 人不可貌相。 Never put off till tomorrow what may be done today. 今日事,今日毕。 No man is wise at all times. 智者千虑,必有一失。 Nothing is difficult to a man who wills. 世上无难事,只怕有心人。 One false step will make a great difference, 失之毫厘,谬以千里。 Pay somebody back in his own coin. 以其人之道,还治其人之身。