21. And Hashem said unto Moshe, Stretch out thine yad toward Shomayim, that there may be choshech over Eretz Mitzrayim, even choshech which he can feel.
22. And Moshe stretched forth his yad toward Shomayim; and there was a thick choshech in kol Eretz Mitzrayim shloshet yamim;
23. They saw not one another, neither rose any from his place for shloshet yamim; but kol Bnei Yisroel had Ohr in their dwellings.
24. And Pharaoh called unto Moshe, and said, Go ye, serve Hashem; only let your tzon and your herds remain behind; let your little ones also go with you.
25. And Moshe said, Thou must give us also zevakhim and olot, that we may sacrifice unto Hashem Eloheinu.
26. Also mikneinu shall go with us; there shall not a hoof be left behind; for thereof must we take to serve Hashem Eloheinu; and we know not with what we must serve Hashem, until we come to there.
27. But Hashem hardened lev Pharaoh, and he would not let them go.