We receive1 all these books, and these only, as holy and canonical, for the regulation, foundation, and confirmation of our faith.2 We believe without any doubt all things contained in them, not so much because the church receives and approves them as such, but especially because the Holy Spirit witnesses in our hearts that they are from God,3 and also because they contain the evidence thereof in themselves; for, even the blind are able to perceive that the things foretold in them are being fulfilled.4

11 Thes 2:13 For this cause also thank we God without ceasing, because, when ye received the word of God which ye heard of us, ye received it not as the word of men, but as it is in truth, the word of God, which effectually worketh also in you that believe.

2 2 Tim 3:16-17 All scripture is given by inspiration of God, and is profitable for doctrine, for reproof, for correction, for instruction in righteousness:That the man of God may be perfect, throughly furnished unto all good works.

3 1 Cor 12:3 Wherefore I give you to understand, that no man speaking by the Spirit of God calleth Jesus accursed: and that no man can say that Jesus is the Lord, but by the Holy Ghost.

1 Jn 4:6 We are of God: he that knoweth God heareth us; he that is not of God heareth not us. Hereby know we the spirit of truth, and the spirit of error.

5:7 For there are three that bear record in heaven, the Father, the Word, and the Holy Ghost: and these three are one.

4Dt 18:21-22 And if thou say in thine heart, How shall we know the word which the LORD hath not spoken? When a prophet speaketh in the name of the LORD, if the thing follow not, nor come to pass, that is the thing which the LORD hath not spoken, but the prophet hath spoken it presumptuously: thou shalt not be afraid of him.

1 Kgs 22:28 And Micaiah said, If thou return at all in peace, the LORD hath not spoken by me. And he said, Hearken, O people, every one of you.

Jer 28:9 The prophet which prophesieth of peace, when the word of the prophet shall come to pass, then shall the prophet be known, that the LORD hath truly sent him.

Ezek 33:33And when this cometh to pass, (lo, it will come,) then shall they know that a prophet hath been among them.