King James Version
Read in contextTherefore to him that knoweth to do good, and doeth it not, to him it is sin.
All translations
5 of 5 translations contain this numbered verse.
Therefore to him that knoweth to do good, and doeth it not, to him it is sin.
To him therefore who knows to do good, and doesn't do it, to him it is sin.
To him therefore that knoweth to do good, and doeth it not, to him it is sin.
to him, then, knowing to do good, and not doing, sin it is to him.
Anyone, then, who knows the right thing to do, yet fails to do it, is guilty of sin.