'Blessed is He who said' or other variant English spellings), is the opening blessing to pesukei dezimra, a recitation in the morning prayer in Rabbinic Judaism.
[2] An alternative text is printed in some Sephardic prayer books, often alongside the more common version.
[3][clarification needed] According to Jacob ben Asher and Isaac Aboab I, Barukh she-Amar is described by the Sefer Hekhalot.
According to the Mishneh Torah (c. 1175), this prayer was instituted by the Great Assembly;[4] Or Zarua II [he][b] (c. 1300) claims "this is the best of the praises, because the Great Assembly did not establish it but rather was given to the wise tradents by way of a note from heaven.
These are:[7] Barukh she'amar becomes the initial part of the daily Jewish morning prayer, in "history-periods" of serious difficulty for the whole Jewish people; when there are not persecutions, ongoing diasporas or anything else serious for the Jews, Shacharit begins as always.