Reference for Eruvin 51:11

וישעיהו מאי בעי התם אמר רבה בר בר חנה אמר ר' יוחנן מלמד שחלה חזקיה והלך ישעיהו והושיב ישיבה על פתחו

but to do good they have no knowledge.<span class="x" onmousemove="('comment',' Jer. IV, 22.');">¹⁶</span> R'ILA'I STATED: I HEARD FROM R'ELIEZER, EVEN IF IT IS AS LARGE AS A BETH KOR'Our Mishnah cannot be in agreement with the view of Hanania, for it was taught: Hanania ruled: Even if it was [as large as] forty beth se'ah [as big] as a royal rearcourt.<span class="x" onmousemove="('comment',' Behind the palace (v. Rashi) .');">¹⁷</span>

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