John 4:24

God is a Spirit, and those worshipping Him, in spirit and truth it doth behove to worship.'

2 Corinthians 3:17

And the Lord is the Spirit; and where the Spirit of the Lord is, there is liberty;

Matthew 15:8-9

This people doth draw nigh to Me with their mouth, and with the lips it doth honour Me, but their heart is far off from Me;

Philippians 3:3

for we are the circumcision, who by the Spirit are serving God, and glorying in Christ Jesus, and in flesh having no trust,

1 Samuel 16:7

And Jehovah saith unto Samuel, 'Look not unto his appearance, and unto the height of his stature, for I have rejected him; for it is not as man seeth -- for man looketh at the eyes, and Jehovah looketh at the heart.'

Psalm 51:17

The sacrifices of God are a broken spirit, A heart broken and bruised, O God, Thou dost not despise.

Psalm 66:18

Iniquity, if I have seen in my heart, The Lord doth not hear.

Isaiah 57:15

For thus said the high and exalted One, Inhabiting eternity, and holy is His name: 'In the high and holy place I dwell, And with the bruised and humble of spirit, To revive the spirit of the humble, And to revive the heart of bruised ones,'

Psalm 50:23

He who is sacrificing praise honoureth Me, As to him who maketh a way, I cause him to look on the salvation of God!

Psalm 50:13-15

Do I eat the flesh of bulls, And drink the blood of he-goats?

2 Corinthians 1:12

For our glorying is this: the testimony of our conscience, that in simplicity and sincerity of God, not in fleshly wisdom, but in the grace of God, we did conduct ourselves in the world, and more abundantly toward you;

1 Timothy 1:17

and to the King of the ages, the incorruptible, invisible, only wise God, is honour and glory -- to the ages of the ages! Amen.

Treasury of Scripture Knowledge

Summary

God is a Spirit: and they that worship him must worship him in spirit and in truth.

Bible References

A spirit

2 Corinthians 3:17
And the Lord is the Spirit; and where the Spirit of the Lord is, there is liberty;
1 Timothy 1:17
and to the King of the ages, the incorruptible, invisible, only wise God, is honour and glory -- to the ages of the ages! Amen.

Must

1 Samuel 16:7
And Jehovah saith unto Samuel, 'Look not unto his appearance, and unto the height of his stature, for I have rejected him; for it is not as man seeth -- for man looketh at the eyes, and Jehovah looketh at the heart.'
Psalm 50:13
Do I eat the flesh of bulls, And drink the blood of he-goats?
Psalm 51:17
The sacrifices of God are a broken spirit, A heart broken and bruised, O God, Thou dost not despise.
Psalm 66:18
Iniquity, if I have seen in my heart, The Lord doth not hear.
Isaiah 57:15
For thus said the high and exalted One, Inhabiting eternity, and holy is His name: 'In the high and holy place I dwell, And with the bruised and humble of spirit, To revive the spirit of the humble, And to revive the heart of bruised ones,'
Matthew 15:8
This people doth draw nigh to Me with their mouth, and with the lips it doth honour Me, but their heart is far off from Me;
2 Corinthians 1:12
For our glorying is this: the testimony of our conscience, that in simplicity and sincerity of God, not in fleshly wisdom, but in the grace of God, we did conduct ourselves in the world, and more abundantly toward you;