ASV: And hereby we know that we know him, if we keep his commandments.
BBE: And by this we may be certain that we have knowledge of him, if we keep his laws.
DBY: And hereby we know that we know him, if we keep his commandments.
KJV: And hereby we do know that we know him, if we keep his commandments.
WEY: And by this we may know that we know Him--if we obey His commands.
WBS: And by this we do know that we know him, if we keep his commandments.
WEB: This is how we know that we know him: if we keep his commandments.
YLT: and in this we know that we have known him, if his commands we may keep;
