פירוש על ברכות 31:18

The Grace before meals is not a Pentateuchal ordinance, but the Grace after meals is. Cf. fol. 48 b.

What are the two benedictions?

Singer, p. 280, "Blessed art Thou. ..Who givest food unto all."

Ibid. "We thank Thee" and p. 282 "And rebuild Jerusalem." These two benedictions are to be condensed into one.