shall be known to Egypt] He shall manifest himself unto them, both by his word, and by his works, Psalms 9:16. Chap. 65. 1. Galatians 4:8. do sacrifice and oblation] Performe spirituall service to him, Zephaniah 3:10. Malachi 1:11. vow a vow unto the Lord] Psalms 75:11. Ecclesiastes 5:4.