God be in my head, and in my thinking. God be in my eyes, and in my looking. God be in my mouth, and in my speaking. Oh, God be in my heart, and in my understanding.
This short song of petition for God's presence is from the 1558 Sarum Primer, which was a collection of prayers and worship resources developed in Salisbury, England, during the 13th century .https://www.godsongs.net/2012/03/god-be-in-my-head-sarum-prayer.html
Psalm 19:14 Let the words of my mouth, and the meditation of my heart, be acceptable in your sight, O LORD, my strength, and my redeemer.