Mark 12:30-33
and thou shalt love the Lord thy God with thy whole heart, thy whole soul, thy whole mind, and thy whole strength.'
Luke 1:46-47
Then Mary said: "My soul extols the Lord,
John 4:24
God is Spirit; and those who worship Him must bring Him true spiritual worship."
1 Corinthians 14:15
How then does the matter stand? I will pray in spirit, and I will pray with my understanding also. I will praise God in spirit, and I will praise Him with my understanding also.
Philippians 1:9
And it is my prayer that your love may be more and more accompanied by clear knowledge and keen perception, for testing things that differ,
Colossians 3:16
Let the teaching concerning Christ remain as a rich treasure in your hearts. In all wisdom teach and admonish one another with psalms, hymns, and spiritual songs, and sing with grace in your hearts to God.
Revelation 4:8
And each of the four living creatures had six wings, and in every direction, and within, are full of eyes; and day after day, and night after night, they never cease saying, "Holy, holy, holy, Lord God, the Ruler of all, who wast and art and evermore shalt be."