Parashas Behar · Aliyah 3 · Passuk 25:20
Chabad.org — English translation + Rashi
Torah Temimah cites Sifra (Torat Kohanim).
English: “And if you shall say, What shall we eat…” This teaches that the Holy One, blessed be He, anticipates the remedy before the blow.
Classical derasha (Sifra).
God addresses the natural human anxiety about the Shemittah year in advance and provides the promise of blessing in the sixth year.