John 4:24

God is a spirit, and they who worship Him must worship in spirit and in truth.

2 Corinthians 3:17

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

Matthew 15:8-9

"This people draws near to Me with their mouth, and honors Me with their lips, but their heart is far from Me.

Philippians 3:3

For we are the circumcision who worship God in the spirit and rejoice in Christ Jesus and have no confidence in the flesh;

1 Samuel 16:7

But Jehovah said to Samuel, Do not look on his face, nor on his height, because I have refused him. For He does not see as man sees. For man looks on the outward appearance, but Jehovah looks on the heart.

Psalm 51:17

The sacrifices of God are a broken spirit; a broken and a contrite heart, O God, You will not despise.

Psalm 66:18

If I regard iniquity in my heart, Jehovah will not hear;

Isaiah 57:15

For so says the high and lofty One who inhabits eternity; whose name is Holy; I dwell in the high and holy place, even with the contrite and humble spirit, to revive the spirit of the humble, and to revive the heart of the contrite ones.

Psalm 50:23

Whoever offers praise glorifies Me; and he who sets a way, I will show him the salvation of God.

Psalm 50:13-15

Will I eat the flesh of the mighty, or drink the blood of goats?

2 Corinthians 1:12

For our rejoicing is this, the testimony of our conscience, that in simplicity and godly sincerity; not with fleshly wisdom, but by the grace of God; we have had our conduct in the world, and more abundantly toward you.

1 Timothy 1:17

Now to the King eternal, immortal, invisible, the only wise God, be honor and glory forever and ever. 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 that Spirit; and where the Spirit of the Lord is, there is liberty.
1 Timothy 1:17
Now to the King eternal, immortal, invisible, the only wise God, be honor and glory forever and ever. Amen.

Must

1 Samuel 16:7
But Jehovah said to Samuel, Do not look on his face, nor on his height, because I have refused him. For He does not see as man sees. For man looks on the outward appearance, but Jehovah looks on the heart.
Psalm 50:13
Will I eat the flesh of the mighty, or drink the blood of goats?
Psalm 51:17
The sacrifices of God are a broken spirit; a broken and a contrite heart, O God, You will not despise.
Psalm 66:18
If I regard iniquity in my heart, Jehovah will not hear;
Isaiah 57:15
For so says the high and lofty One who inhabits eternity; whose name is Holy; I dwell in the high and holy place, even with the contrite and humble spirit, to revive the spirit of the humble, and to revive the heart of the contrite ones.
Matthew 15:8
"This people draws near to Me with their mouth, and honors Me with their lips, but their heart is far from Me.
2 Corinthians 1:12
For our rejoicing is this, the testimony of our conscience, that in simplicity and godly sincerity; not with fleshly wisdom, but by the grace of God; we have had our conduct in the world, and more abundantly toward you.