Romans 1:21

so that they are inexcusable; because having thus known God they glorified Him not as God, neither were they thankful; but were infatuated by their own reasonings, and their heart being void of understanding was darkened.

Ephesians 4:17-18

This I say therefore, and charge you in the name of the Lord, that ye no longer walk as the rest of the Gentiles walk,

Ephesians 4:17

This I say therefore, and charge you in the name of the Lord, that ye no longer walk as the rest of the Gentiles walk,

Romans 1:19

for what is to be known of God is manifest among them, for God hath manifested it to them.

Revelation 14:7

and people, saying with a loud voice, Fear God, and give glory to Him; for the time of his judgement is come: and worship Him that made the heaven, and the earth, and the sea, and the fountains of waters.

Revelation 14:7

and people, saying with a loud voice, Fear God, and give glory to Him; for the time of his judgement is come: and worship Him that made the heaven, and the earth, and the sea, and the fountains of waters.

Revelation 14:7

and people, saying with a loud voice, Fear God, and give glory to Him; for the time of his judgement is come: and worship Him that made the heaven, and the earth, and the sea, and the fountains of waters.

Revelation 14:7

and people, saying with a loud voice, Fear God, and give glory to Him; for the time of his judgement is come: and worship Him that made the heaven, and the earth, and the sea, and the fountains of waters.

Revelation 14:7

and people, saying with a loud voice, Fear God, and give glory to Him; for the time of his judgement is come: and worship Him that made the heaven, and the earth, and the sea, and the fountains of waters.

Revelation 14:7

and people, saying with a loud voice, Fear God, and give glory to Him; for the time of his judgement is come: and worship Him that made the heaven, and the earth, and the sea, and the fountains of waters.

Revelation 14:7

and people, saying with a loud voice, Fear God, and give glory to Him; for the time of his judgement is come: and worship Him that made the heaven, and the earth, and the sea, and the fountains of waters.

Revelation 14:7

and people, saying with a loud voice, Fear God, and give glory to Him; for the time of his judgement is come: and worship Him that made the heaven, and the earth, and the sea, and the fountains of waters.

Revelation 14:7-20

and people, saying with a loud voice, Fear God, and give glory to Him; for the time of his judgement is come: and worship Him that made the heaven, and the earth, and the sea, and the fountains of waters.

Revelation 14:7

and people, saying with a loud voice, Fear God, and give glory to Him; for the time of his judgement is come: and worship Him that made the heaven, and the earth, and the sea, and the fountains of waters.

Revelation 14:7-8

and people, saying with a loud voice, Fear God, and give glory to Him; for the time of his judgement is come: and worship Him that made the heaven, and the earth, and the sea, and the fountains of waters.

Revelation 14:7-15

and people, saying with a loud voice, Fear God, and give glory to Him; for the time of his judgement is come: and worship Him that made the heaven, and the earth, and the sea, and the fountains of waters.

Revelation 14:7

and people, saying with a loud voice, Fear God, and give glory to Him; for the time of his judgement is come: and worship Him that made the heaven, and the earth, and the sea, and the fountains of waters.

Revelation 14:7

and people, saying with a loud voice, Fear God, and give glory to Him; for the time of his judgement is come: and worship Him that made the heaven, and the earth, and the sea, and the fountains of waters.

Revelation 14:7-16

and people, saying with a loud voice, Fear God, and give glory to Him; for the time of his judgement is come: and worship Him that made the heaven, and the earth, and the sea, and the fountains of waters.

Luke 17:15-18

And one of them, perceiving that he was healed, returned, with a loud voice glorifying God:

John 3:19

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

Romans 1:28

And as they were not careful to acknowledge God, God gave them up to an undiscerning mind to do things that were not fit to be done:

Romans 11:10

Let their eyes be darkened that they may not see, and always bow down their back.

Romans 15:9

and that the Gentiles might glorify God for his mercy, as it is written, "For this cause will I celebrate Thee among the Gentiles, and sing praises unto thy name."

2 Timothy 3:2

for men will be selfish, covetous, arrogant, proud, blasphemers, undutiful to parents, ungrateful, unholy,

1 Peter 1:18

knowing that ye were redeemed from your vain conversation learned by tradition from your fathers, not with corruptible things, as silver and gold;

1 Peter 2:9

But ye are a chosen generation, a royal priesthood, a holy nation, a peculiar people; that ye should declare the glories of Him, who hath called you out of darkness into his marvellous light:

Revelation 15:4

O Lord, and glorify thy name? for thou only art holy: and all the nations shall come and worship before thee; for thy righteous judgements are made manifest."

Acts 26:18

to open their eyes, and to turn them from darkness to light, and from the power of satan unto God; that they may receive forgiveness of sins, and an inheritance among them that are sanctified by faith in 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
for what is to be known of God is manifest among them, for God hath manifested it to them.
John 3:19
And this is the condemnation, that light is come into the world, and men loved darkness rather than light, because their deeds were evil.

They glorified

Romans 15:9
and that the Gentiles might glorify God for his mercy, as it is written, "For this cause will I celebrate Thee among the Gentiles, and sing praises unto thy name."
Luke 17:15
And one of them, perceiving that he was healed, returned, with a loud voice glorifying God:
2 Timothy 3:2
for men will be selfish, covetous, arrogant, proud, blasphemers, undutiful to parents, ungrateful, unholy,
Revelation 14:7
and people, saying with a loud voice, Fear God, and give glory to Him; for the time of his judgement is come: and worship Him that made the heaven, and the earth, and the sea, and the fountains of waters.
Revelation 15:4
O Lord, and glorify thy name? for thou only art holy: and all the nations shall come and worship before thee; for thy righteous judgements are made manifest."

But became

Ephesians 4:17
This I say therefore, and charge you in the name of the Lord, that ye no longer walk as the rest of the Gentiles walk,
1 Peter 1:18
knowing that ye were redeemed from your vain conversation learned by tradition from your fathers, not with corruptible things, as silver and gold;

Their foolish

Romans 11:10
Let their eyes be darkened that they may not see, and always bow down their back.
Acts 26:18
to open their eyes, and to turn them from darkness to light, and from the power of satan unto God; that they may receive forgiveness of sins, and an inheritance among them that are sanctified by faith in me.
1 Peter 2:9
But ye are a chosen generation, a royal priesthood, a holy nation, a peculiar people; that ye should declare the glories of Him, who hath called you out of darkness into his marvellous light:

General references

James 4:17
To him therefore that knoweth to do good, and doth it not, to him it is sin.