12 Whereupon as I went to Damascus with authority and commission from the chief priests, 13 At midday, O king, I saw in the way a light from heaven, above the brightness of the sun, shining round about me and them which journeyed with me. 14 And when we were all fallen to the earth, I heard a voice speaking unto me, and saying in the Hebrew tongue, Saul, Saul, why persecutest thou me? it is hard for thee to kick against the pricks. 15 And I said, Who art thou, Lord? And he said, I am Jesus whom thou persecutest. 16 But rise, and stand upon thy feet: for I have appeared unto thee for this purpose, to make thee a minister and a witness both of these things which thou hast seen, and of those things in the which I will appear unto thee; 17 Delivering thee from the people, and from the Gentiles, unto whom now I send thee, 18 To open their eyes, and to turn them from darkness to light, and from the power of Satan unto God, that they may receive forgiveness of sins, and inheritance among them which are sanctified by faith that is in me. 19 Whereupon, O king Agrippa, I was not disobedient unto the heavenly vision:
The gospel is also the heavenly vision Acts 16:6-10,
6 Now when they had gone throughout Phrygia and the region of Galatia, and were forbidden of the Holy Ghost to preach the word in Asia, 7 After they were come to Mysia, they assayed to go into Bithynia: but the Spirit suffered them not. 8 And they passing by Mysia came down to Troas. 9 And a vision appeared to Paul in the night; There stood a man of Macedonia, and prayed him, saying, Come over into Macedonia, and help us. 10 And after he had seen the vision, immediately we endeavoured to go into Macedonia, assuredly gathering that the Lord had called us for to preach the gospel unto them.
9 Then spake the Lord to Paul in the night by a vision, Be not afraid, but speak, and hold not thy peace: 10 For I am with thee, and no man shall set on thee to hurt thee: for I have much people in this city. 11 And he continued there a year and six months, teaching the word of God among them.
The gospel also helps us; to understand the vision of God and false vision; prophecy from God and false prophecy; dreams from God and false dream Jeremiah 14:14,
Then the LORD said unto me, The prophets prophesy lies in my name: I sent them not, neither have I commanded them, neither spake unto them: they prophesy unto you a false vision and divination, and a thing of nought, and the deceit of their heart.
16 Thus saith the LORD of hosts, Hearken not unto the words of the prophets that prophesy unto you: they make you vain: they speak a vision of their own heart, and not out of the mouth of the LORD. 21 I have not sent these prophets, yet they ran: I have not spoken to them, yet they prophesied. 25 I have heard what the prophets said, that prophesy lies in my name, saying, I have dreamed, I have dreamed. 26 How long shall this be in the heart of the prophets that prophesy lies? yea, they are prophets of the deceit of their own heart; 27 Which think to cause my people to forget my name by their dreams which they tell every man to his neighbour, as their fathers have forgotten my name for Baal. 28 The prophet that hath a dream, let him tell a dream; and he that hath my word, let him speak my word faithfully. What is the chaff to the wheat? saith the LORD. 29 Is not my word like as a fire? saith the LORD; and like a hammer that breaketh the rock in pieces? 30 Therefore, behold, I am against the prophets, saith the LORD, that steal my words every one from his neighbour. 31 Behold, I am against the prophets, saith the LORD, that use their tongues, and say, He saith. 32 Behold, I am against them that prophesy false dreams, saith the LORD, and do tell them, and cause my people to err by their lies, and by their lightness; yet I sent them not, nor commanded them: therefore they shall not profit this people at all, saith the LORD.