_Direct._ XV. Take not obscure prophecies for precepts. The obscurity is enough to make you cautelous how you venture yourself in the practice of that which you understand not: but if there were no obscurity, yet prophecies are no warrant to you to fulfil them; no, though they be for the church's good. Predictions tell you but _de eventu_ what will come to pass, but warrant not you to bring it to pass. God's prophecies are ofttimes fulfilled by the wickedest men and the wickedest means: as by the Jews in killing Christ, and Pharaoh in refusing to let Israel go, and Jehu in punishing the house of Ahab. Yet many self-conceited persons think that they can fetch that out of the revelations or the prophecies of Daniel, that will justify very horrid crimes, while they use wicked means to fulfil God's prophecies. _Direct._ XVI. Be very cautelous in what cases you take men's practice or example to be instead of precept, in the sacred Scriptures. In one case a practice or example is obligatory to us as a precept; and that is, when God doth give men a commission to establish the form or orders of his church and worship, (as he did to Moses and to the apostles,) and promiseth them his Spirit to lead them into all truth, in the matters which he employeth them in: here God is engaged to keep them from miscarrying; for if they should, his work would be ill done, his church would be ill constituted and framed, and his servants unavoidably deceived. The apostles were authorized to constitute church officers and orders for continuance; and the Scripture, which is written for a great part historically, acquaints us what they did (as well as what they said and wrote) in the building of the church, in obedience to their commission (at least in declaring to the world what Christ had first appointed). And thus if their practice were not obligatory to us, their words also might be avoided by the same pretences. And on this ground (at least) the Lord's day is easily proved to be of divine appointment and obligation. Only we must see that we carefully distinguish between both the words and practice of the apostles which were upon a particular and temporary occasion (and obligation) from those that were upon a universal or permanent ground.