Reference for Bava Batra 150:2
מאי (ישעיהו ד, ה) ועל מקראיה אמר רבה א"ר יוחנן לא כירושלים של עולם הזה ירושלים של עולם הבא ירושלים של עולם הזה כל הרוצה לעלות עולה של עולם הבא אין עולין אלא המזומנין לה
will go. Rabbah in the name of R. Johanan further stated: The righteous will in time to come be called by the name of the Holy One, blessed be He; for it is said: <i>Every one that is called by My name, and whom I have created for My glory. I have formed him, yea, I have made him</i>.<span class="x" onmousemove="('comment',' Ibid. XLIII, 7. ');"><sup>4</sup></span> R. Samuel b. Nahmani said in the name of R. Johanan: Three were called by the name of the Holy One; blessed be He, and they are the following: The righteous, the Messiah and Jerusalem. [This may be inferred as regards] the righteous [from] what has just been said. [As regards] the Messiah — it is written: And this is the name whereby he shall be called, The Lord is our righteousness.<span class="x" onmousemove="('comment',' Jer. XXIII, 6. ');"><sup>5</sup></span>