Psalm 47:7
For God is the King of all the earth: sing you praises with understanding.
Torrey's Topical Textbook—AKJV

1 Corinthians 14:15
What is it then? I will pray with the spirit, and I will pray with the understanding also: I will sing with the spirit, and I will sing with the understanding also.
Torrey's Topical Textbook—AKJV