Gevurot Meyruach Hakodesh 16:30-31

Then, leading them outside, the soher said, Rabbotai, what is it necessary for me to do that I may come to Yeshu'at Eloheinu? And Moshiachʼs Shlichim said, Have emunah in the Rebbe, Melech HaMoshiach Adoneinu Yehoshua, and you will come to Yeshu'at Eloheinu, you and your bais.