God be in my head

God be in our heads, 
    and in our understanding.
God be in our eyes, 
    and in our looking;
God be in our mouths,
    and in our speaking;
God be in our heart,
    and in our thinking;
God be at our end,
    and at our departing. 

--from the Sarum Primer, ca. 1506, found in St. Augustine's Prayer Book