And the LORD shall be known to Egypt, and the Egyptians shall know the LORD in that day, and shall do sacrifice and oblation; yea, they shall vow a vow unto the LORD, and perform [it].
Ver. 21. And the Lord shall be known to Egypt.] They shall both know the Lord Christ, and be known of him. as Gal 4:9 See Romans 10:20 .
And shall do sacrifce and oblation.] Perform "reasonable service," Rom 12:1 such as whereof they can render a reason. Not a Samaritan service, Joh 4:22 or Athenian Act 17:23 - "Whom therefore ye ignorantly worship," &c. God will have no such blind sacrifices. Mal 1:8
Yea, they shall vow a vow, &c.] That in baptism especially.