Mark 12:30-33
and you must love the Lord your God with all your heart, with all your soul, with all your mind and with all your strength.'
Luke 1:46-47
Then Mary said, "My soul lifts up the Lord,
John 4:24
God is Spirit and those who worship Him must worship in spirit and truth."
1 Corinthians 14:15
What should I do then? I will pray with my spirit [i.e. from within], and I will pray with my understanding also [i.e., with a knowledge of what I am saying]. I will sing with my spirit, and I will sing with my understanding also.
Philippians 1:9
And I pray that your love may grow stronger and stronger, [along] with how much you know, and [that you may grow] in your ability to comprehend things.
Colossians 3:16
You should let the message of Christ live in you abundantly [i.e., as individuals and collectively]. Use [much] wisdom in teaching and warning one another with psalms, hymns and spiritual songs, singing with favor [i.e., with thankfulness] in your hearts toward God.
Revelation 4:8
And each of the four living beings had six wings [and] were covered with eyes all around them and [even] within them. And day and night they never stop saying, [Note: Some translations have "singing" here and at other places below], "Holy, holy, holy [is] the Lord God Almighty, who was [in the past] and who is [in the present] and who will come [in the future]."