Thematic Bible: What preachers should do

Do you not know that those who work in the temple get their food from the temple, and those who serve at the altar share in what is offered on the altar? In the same way, the Lord commanded that those who proclaim the gospel should get their living from the gospel.

My little children, I write this to you so that you may not sin. But if anyone does sin, we have an advocate with the Father, Jesus Christ the righteous. And he is the atoning sacrifice for our sins, and not for ours only but also for the sins of the whole world. Now by this we know that we know him, if we keep his commandments. read more.
He who says, "I know him," but does not keep his commandments, is a liar, and the truth is not in him. But whoever keeps his word, truly the love of God is perfected in him. By this we know that we are in him: he who says he abides in him ought to walk as he walked.