來者不善,善者不來 [ㄌㄞˊ ㄓㄜˇ ㄅㄨˋ ㄕㄢˋ , ㄕㄢˋ ㄓㄜˇ ㄅㄨˋ ㄌㄞˊ; lai2 zhe3 bu4 shan4 , shan4 zhe3 bu4 lai2] He who comes is surely ill-intentioned, no-one well-meaning will come (idiom). Be careful not to trust foreigners. Beware of Greeks bearing gifts! ◄ ►