Translation:Mishnah/Seder Zeraim/Tractate Berakhot/Chapter 8/7

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One who ate, and forgot, and did not bless:

The school of Shammai says, he returns to his place and blesses.

The school of Hillel says, he blesses in the place where he remembered.

Until when may he bless?

Until the food in his bowels is digested.