Explanation of I John 2:1-3 (1)

"My little children, these things write I unto you, that ye sin not. And if any man sin, we have an advocate with the Father Jesus Christ the righteous: And he is the propitiation for our sins: and not for ours only, but also for (the sins, sin) of the whole world. And hereby we do know that we know him, if we keep his commandments. . . ." "My little children, these things write I unto you, that ye sin not. And if any man sin, we have an advocate with the Father Jesus Christ the righteous: And...