King James Version
After this I looked, and, behold, a door was opened in heaven: and the first voice which I heard was as it were of a trumpet talking with me; which said, Come up hither, and I will shew thee things which must be hereafter.English Standard Version
After this I looked, and behold, a door standing open in heaven! And the first voice, which I had heard speaking to me like a trumpet, said, "Come up here, and I will show you what must take place after this."Catholic Public Domain Version
After these things, I saw, and behold, a door was opened in heaven, and the voice that I heard speaking with me first was like a trumpet, saying: "Ascend to here, and I will reveal to you what must occur after these things.