Reference for Sanhedrin 47:8

אמר רבינא והלא כל הרואה ר"מ בבית המדרש כאילו עוקר הרי הרים וטוחנן זה בזה

— Rabina said: But did nothe who saw R. Meir in the Beth-Hamidrash feel that he was uprooting yet greatermountains and grinding them against eachother?<span class="x" onmousemove="('comment',' Hence, notwithstanding Resh Lakish's dialectic skill, R. Meir was his superior. ');">⁷</span>

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