Verse 15. These things speak and exhort. See Barnes "1 Ti 6:2".

And rebuke with all authority. See Barnes "1 Ti 5:1, See Barnes "1 Ti 5:20"; See Barnes "2 Ti 4:2".

The word authority here means command epitagh.1 Co 7:6,25; 2 Co 8:8; 1 Ti 1:1; Tit 1:3.

The sense here is, he was to do it decidedly, without ambiguity, without compromise, and without keeping any thing back. He was to state these things not as being advice or counsel, but as the requirement of God.

Let no man despise thee. That is, conduct yourself, as you may easily do, so as to command universal respect as a minister of God. See Barnes "1 Ti 4:12".

{l} "Let no man" 1 Ti 4:12.