2. The assurance he gives them of the truth of what he had delivered to them, which therefore they might build their hopes upon: That which I have heard of the Lord of hosts, the God of Israel—that, and nothing else, that, and no fiction or fancy of my own—have I declared unto you. Note, In all events concerning the church, past, present, and to come, we must have an eye to God both as the Lord of hosts and as the God of Israel, who has power enough to do any thing for his church and grace enough to do every thing that is for her good, and to the words of his prophets, as words received from the Lord. As they dare not smother any thing which he has entrusted them to declare, so they dare not declare any thing as from him which he has not made known to them, 1 Cor. xi. 23.