And if any man sin, we have an Advocate with the Father, Jesus Christ the righteous: [2]and he is the propitiation for our sins; and not for ours only, but also for the whole world. [3]And hereby we know that we know him, if we keep his commandments. [4]He that saith, I know him, and keepeth not his commandments, is a liar, and the truth is not in him; [5]but whoso keepeth his word, in him verily