Isa_19:21 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 Rom_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.