Бамидбар 9:8 Каббала: Sha'arei Orah

The reason is that all the other prophets had to prepare themselves and intend to prophecy before the spirit of prophecy would rest upon them, whether by their own efforts or through the calling of an angel [like Avraham]. In contrast, our teacher Moshe, peace be upon him, did not need to prepare himself for prophecy, in that he was always prepared and ready, as the verse states,¹⁴⁷Numbers 9:8 “Moshe said to them, stand by and I will hear what HaShem-יהו״ה will command you.” It also states,¹⁴⁸Numbers 7:89 “When Moshe would enter the Tent of Meeting to speak with Him, he heard the Voice speaking to him.” This being so, contemplate, know, and believe, that the prophecy of all creatures stems from HaShem’s-יהו"ה qualities of victory-Netzach and majesty-Hod, and it is from them that they receive.