יָשָׁר וְהָפוּךְ

ביטוי (אנגלית)

Forward and Backward

הגדרה (אנגלית)

From beginning to end and from end to beginning; in both directions. Figuratively: orally, with great mastery of the material.

("And he said" [the prayer of Aleinu l'shabeach], and it must be recited standing... and Joshua instituted this great praise when he conquered Jericho, and they said it seven times straight and reverse, and by it he brought down the seven walls of Jericho" — Sefer Seder Hayom, Kavanat Aleinu and the order of study after prayer; and likewise: "He intended to set his mouth in motion and extend his speech according to his manner, straight and reverse, and to go over it once more, straight and reverse" — Mendele Mocher Sforim / Masa'ot Binyamin HaShlishi 9:65)