Gevurot 28:30-31

Orthodox Jewish Bible

³⁰ And he remained an entire two years in his own rented bais, and was welcoming all the ones coming to him,

³¹ Preaching the Malchut Hashem and saying shiurim concerning the Rebbe, Melech HaMoshiach Adoneinu Yehoshua with all openness and without hindrance.