Reference for Pesachim 231:10

מתקיף לה רב ספרא חיובא לדרדקי אלא אמר רב ספרא הכי קתני אין אנו מטבילין אפילו פעם אחת הלילה הזה שתי פעמים:

AND ACCORDING TO THE SON'S INTELLIGENCE HIS FATHER INSTRUCTS HIM.<span class="x" onmousemove="('comment',' The answer must be intelligible to the child.');">¹⁵</span> HE COMMENCES WITH SHAME AND CONCLUDES WITH PRAISE; AND EXPOUNDS FROM 'A WANDERING ARAMEAN WAS MY FATHER'<span class="x" onmousemove="('comment',' Deut. XXVI, 5.');">¹⁶</span> UNTIL HE COMPLETES THE WHOLE SECTION.

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