1 John 1:5

Now this we have heard from Him, and declare unto you, that God is light, and in Him there is no darkness at all.

1 John 3:11

for this is the injunction which ye heard from the beginning, that we should love one another: not as Cain who was of the evil one, and slew his brother;

James 1:17

and every perfect gift, but no evil one, is from above, and cometh down from the Father of lights, with whom there is no variation, nor shadow of turning:

1 Timothy 6:16

who alone hath immortality, dwelling in light inaccessible, whom no man hath seen, nor can see: to whom be honor and power everlasting. Amen.

John 1:4

In Him was life, and the life was the light of men.

John 1:9

The true light was that which enlightneth every man that cometh into the world.

John 8:12

Then spake Jesus again to them, saying, I am the light of the world; he, that followeth me, shall not walk in darkness, but shall have the light of life.

John 9:5

But as long as I am in the world, I am the light of the world.

John 12:35-36

Then Jesus said unto them, Yet a little while the light is to be with you; walk while ye have the light, least darkness overtake you; for he that walketh in the dark knoweth not whither he goeth.

1 Corinthians 11:23

For I received from the Lord, that which I also delivered unto you, that the Lord Jesus the same night in which He was betrayed took bread:

Revelation 21:23

And the city hath no need of the sun, nor of the moon, to shine in it: for the glory of God enlighteneth it, and the Lamb is it's light.

Revelation 22:5

And there shall be no night there: and they have no need of a candle, nor of the light of the sun; for the Lord God giveth them light; and they shall reign for ever and ever.

Treasury of Scripture Knowledge

Summary

This then is the message which we have heard of him, and declare unto you, that God is light, and in him is no darkness at all.

Bible References

The message

1 John 3:11
for this is the injunction which ye heard from the beginning, that we should love one another: not as Cain who was of the evil one, and slew his brother;
1 Corinthians 11:23
For I received from the Lord, that which I also delivered unto you, that the Lord Jesus the same night in which He was betrayed took bread:

That god

John 1:4
In Him was life, and the life was the light of men.
John 8:12
Then spake Jesus again to them, saying, I am the light of the world; he, that followeth me, shall not walk in darkness, but shall have the light of life.
John 9:5
But as long as I am in the world, I am the light of the world.
John 12:35
Then Jesus said unto them, Yet a little while the light is to be with you; walk while ye have the light, least darkness overtake you; for he that walketh in the dark knoweth not whither he goeth.
1 Timothy 6:16
who alone hath immortality, dwelling in light inaccessible, whom no man hath seen, nor can see: to whom be honor and power everlasting. Amen.
James 1:17
and every perfect gift, but no evil one, is from above, and cometh down from the Father of lights, with whom there is no variation, nor shadow of turning:
Revelation 21:23
And the city hath no need of the sun, nor of the moon, to shine in it: for the glory of God enlighteneth it, and the Lamb is it's light.
Revelation 22:5
And there shall be no night there: and they have no need of a candle, nor of the light of the sun; for the Lord God giveth them light; and they shall reign for ever and ever.