Halakha Ulangan 12:6: Mishneh Torah, Foundations & Mishneh Torah, Positive Mitzvot

Prophets are of various degrees. Even as there is in wisdom, one wise man greater than his fellow, so it is in prophecy, one prophet is greater than another prophet. But all of them do not see the vision of prophecy save in a dream, in a vision by night, or during the day when a deep slumber falls upon them, as it is said: "I become known to him in vision; I speak to him in a dream" (Num. 12.6). And they all, when they prophesy, tremble in all their limbs, the strength of their bodies gives way, their thinking power becomes unbalanced, the sense of understanding alone remains open to grasp what it will see, as it is said of Abraham: "And behold, a great trembling and darkness befell upon him" (Gen. 15.12); and as it is said of Daniel: "For my comeliness was turned into corruption, and I retained no strength" (Dan. 10.8).

To bring all offerings, whether obligatory or freewill, on the first festival after these were incurred, as it is said, “….and thither thou shalt come. And thither ye shall bring” (Deut. 12:5-6).