Romans 1:21

because when they knew God, they did not with gratitude glorify him as God, but their reasoning became extravagance, and their minds, void of judgment, were involv'd in darkness.

Ephesians 4:17-18

This I say therefore, and conjure you by the Lord not to live for the future as other Gentiles do, in the vanity of their minds,

Romans 1:19

because what should be known of God they are acquainted with; for God hath manifested it unto them.

Revelation 14:7

"fear the Lord, and give glory to him, for the hour of his judgment is come: adore therefore him that made the heaven, the earth, the sea, and the fountains."

Luke 17:15-18

one of them perceiving he was healed, turn'd back, praising God aloud.

John 3:19

and this is the subject of their condemnation, that light is come into the world, and men have loved darkness rather than light, because their deeds were evil.

Romans 1:28

As they did not seek the favour of God, by worshipping him, God gave them over to a depraved sense, to act unworthy of human nature;

Romans 11:10

let their eyes be darkned, so as not to see, and let their back be continually bowed down."

Romans 15:9

and you Gentiles ought to glorify God for his mercy; as it is written, "for this cause I will confess to thee among the Gentiles, and sing unto thy name ."

2 Timothy 3:2

for men will be selfish, avaricious, vain, proud, slanderers, disobedient to parents, ungrateful,

1 Peter 1:18

considering, that it was not by such perishable things as silver or gold, that you were releas'd from those vain rites and customs impos'd upon you by your fathers,

1 Peter 2:9

and this they were destin'd to. but you are the chosen race, you are kings and priests, the holy nation, the peculiar people, that you might display his glory, who called you out

Revelation 15:4

who will not fear thee, O Lord, and glorify thy name? for thou only art holy: and all nations shall come to adore thee; because thy judgments have been display'd."

Acts 26:18

and to turn them from darkness to light, and from the power of Satan unto God, that they may receive forgiveness of sins, and partake of the inheritance of the saints, by believing on me."

Treasury of Scripture Knowledge

Summary

Because that, when they knew God, they glorified him not as God, neither were thankful; but became vain in their imaginations, and their foolish heart was darkened.

General references

Bible References

When

Romans 1:19
because what should be known of God they are acquainted with; for God hath manifested it unto them.
John 3:19
and this is the subject of their condemnation, that light is come into the world, and men have loved darkness rather than light, because their deeds were evil.

They glorified

Romans 15:9
and you Gentiles ought to glorify God for his mercy; as it is written, "for this cause I will confess to thee among the Gentiles, and sing unto thy name ."
Luke 17:15
one of them perceiving he was healed, turn'd back, praising God aloud.
2 Timothy 3:2
for men will be selfish, avaricious, vain, proud, slanderers, disobedient to parents, ungrateful,
Revelation 14:7
"fear the Lord, and give glory to him, for the hour of his judgment is come: adore therefore him that made the heaven, the earth, the sea, and the fountains."
Revelation 15:4
who will not fear thee, O Lord, and glorify thy name? for thou only art holy: and all nations shall come to adore thee; because thy judgments have been display'd."

But became

Ephesians 4:17
This I say therefore, and conjure you by the Lord not to live for the future as other Gentiles do, in the vanity of their minds,
1 Peter 1:18
considering, that it was not by such perishable things as silver or gold, that you were releas'd from those vain rites and customs impos'd upon you by your fathers,

Their foolish

Romans 11:10
let their eyes be darkned, so as not to see, and let their back be continually bowed down."
Acts 26:18
and to turn them from darkness to light, and from the power of Satan unto God, that they may receive forgiveness of sins, and partake of the inheritance of the saints, by believing on me."
1 Peter 2:9
and this they were destin'd to. but you are the chosen race, you are kings and priests, the holy nation, the peculiar people, that you might display his glory, who called you out

General references

James 4:17
he then that knows what is virtuous, and does not practise it, is a criminal.