1 John 1:5

And this is the message which we have heard from him and declare to you, That God is light, and with him there is no darkness.

1 John 3:11

For this is the message which you heard from the beginning; that we should love one another;

James 1:17

All good giving, and every perfect gift, comes down from above, from the Father of lights, with whom there is no change or shadow of turning.

1 Timothy 6:16

who only has immortality, dwelling in light unapproachable, whom no man has seen nor can see; to whom be honor and power eternal; amen.

John 1:4

In him was life, and the life was the light of men;

John 1:9

The light was the true [light] which lights every man that comes into the world.

John 8:12

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

John 9:5

While I am in the world I am the light of the world.

John 12:35-36

Then Jesus said to them, Yet a little while is the light with you; walk while you have the light, that darkness may not overtake you; for he that walks in darkness knows not where he goes.

1 Corinthians 11:23

For I received of the Lord, what I also delivered to you; that on the night in which he was betrayed, the Lord Jesus took bread

Revelation 21:23

And the city has no need of the sun, nor of the moon, to give a light to it; for the glory of God lights it, and its light the Lamb.

Revelation 22:5

And there shall be no night, and they shall have no need of a lamp and light, for the Lord God shall shed light on them, and they shall reign forever 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 message which you heard from the beginning; that we should love one another;
1 Corinthians 11:23
For I received of the Lord, what I also delivered to you; that on the night in which he was betrayed, the Lord Jesus took bread

That god

John 1:4
In him was life, and the life was the light of men;
John 8:12
THEN Jesus spoke to them again, saying, I am the light of the world; he that follows me shall not walk in darkness but shall have the light of life.
John 9:5
While I am in the world I am the light of the world.
John 12:35
Then Jesus said to them, Yet a little while is the light with you; walk while you have the light, that darkness may not overtake you; for he that walks in darkness knows not where he goes.
1 Timothy 6:16
who only has immortality, dwelling in light unapproachable, whom no man has seen nor can see; to whom be honor and power eternal; amen.
James 1:17
All good giving, and every perfect gift, comes down from above, from the Father of lights, with whom there is no change or shadow of turning.
Revelation 21:23
And the city has no need of the sun, nor of the moon, to give a light to it; for the glory of God lights it, and its light the Lamb.
Revelation 22:5
And there shall be no night, and they shall have no need of a lamp and light, for the Lord God shall shed light on them, and they shall reign forever and ever.