ASV: To him therefore that knoweth to do good, and doeth it not, to him it is sin.
BBE: The man who has knowledge of how to do good and does not do it, to him it is sin.
DBY: To him therefore who knows how to do good, and does it not, to him it is sin.
KJV: Therefore to him that knoweth to do good, and doeth it not, to him it is sin.
WEY: If, however, a man knows what it is right to do and yet does not do it, he commits a sin.
WBS: Therefore to him that knoweth to do good, and doeth it not, to him it is sin.
WEB: To him therefore who knows to do good, and doesn't do it, to him it is sin.
YLT: to him, then, knowing to do good, and not doing, sin it is to him.
