Amplified Bible, Classic Edition
19 In that day there will be an altar to the Lord in the midst of the land of Egypt, and a pillar to the Lord at its border.
20 And it will be a sign and a witness to the Lord of hosts in the land of Egypt; for they will cry to the Lord because of oppressors, and He will send them a savior, even a mighty one, and he will deliver them.(A)
21 And the Lord will make Himself known to Egypt, and the Egyptians will know (have knowledge of, be acquainted with, give heed to, and cherish) the Lord in that day and will worship with sacrifices of animal and vegetable offerings; they will vow a vow to the Lord and perform it.Read full chapter