There is nothing from outside a man which, by entering into him, is able to defile him. But the things which proceed from a man, these are what pollute a man
Other versions
King James Version
If any man have ears to hear, let him hear.English Standard Version
There is nothing outside a person that by going into him can defile him, but the things that come out of a person are what defile him."New International Version
Nothing outside a man can make him 'unclean' by going into him. Rather, it is what comes out of a man that makes him 'unclean.'"