God, who at various times and in various ways spoke in time past to the father by the prophets, has in these last days spoken to us by His son, whom He has appointed heir of all things, through whom also He made the worlds. Hebrews 1:1-2
17 “Do not think that I came to destroy the Law or the Prophets. I did not come to destroy but to fulfill. 18 “For assuredly, I say to you, till heaven and earth pass away, one jot or one tittle will by no means pass from the law till all is fulfilled.
26 “But the Helper, the Holy Spirit, whom the Father will send in My name, He will teach you all things, and bring to your remembrance all things that I said to you .(John 14:26).
13 “However, when He, the Spirit of truth, has come, He will guide you into all truth; for He will not speak on His own authority, but whatever He hears He will speak; and He will tell you things to come.. (John 16:13).
21 “Therefore, of these men who have accompanied us all the time that the Lord Jesus went in and out among us, 22 “beginning from the baptism of John to that day when He was taken up from us, one of these must become a witness with us of His resurrection
22 “when a prophet speaks in the name of the Lord, if the thing does not happen or come to pass, that is the thing which the Lord has not spoken; the prophet has spoken it presumptuously; you shall not be afraid of him.
8 But even if we, or an angel from heaven, preach any other gospel to you than what we have preached to you, let him be accursed.
2 For the word of God is living and powerful, and sharper than any two-edged sword, piercing even to the division of soul and spirit, and of joints and marrow, and is a discerner of the thoughts and intents of the heart.
2 in the first year of his reign I, Daniel, understood by the books the number of the years specified by the word of the Lord through Jeremiah the prophet, that He would accomplish seventy years in the desolations of Jerusalem.
1 Thess. 2:13
13 For this reason we also thank God without ceasing, because when you received the word of God which you heard from us, you welcomed it not as the word of men, but as it is in truth, the word of God, which also effectively works in you who believe.
2 Pet. 3:15
15 and consider that the longsuffering of our Lord is salvation—as also our beloved brother Paul, according to the wisdom given to him, has written to you,