1 John 4:8

The person who does not love [others] does not know God [as Savior], for [the very nature of] God is love.

2 Corinthians 13:11

Finally, brothers, good-bye [or, "be glad"]. Be fully restored [spiritually]. Be comforted [or, "exhort one another"]. Think alike on things. Be at peace among yourselves. And the God of love and peace will be with you.

1 John 1:5

And this is the message we heard from Him, and [now want to] announce to you: God is light [i.e. righteousness] and in His [very nature] there is no trace of darkness [i.e., evil].

1 John 4:16

And we have known [with certainty] and have believed [with assurance] that God has truly loved us. God's [very nature] is love and the person who [continually] loves [Him and others] lives in [fellowship with] God [continually], and God [continually] lives in that person's heart.

John 8:54-55

Jesus answered them, "If I were to honor myself, that honor would be worthless. [But] it is my Father who honors me [and] you say He is your God.

Ephesians 2:4

But God, who has great love for us and abundant mercy [toward us],

Hebrews 12:29

for our God is truly a consuming fire.

1 John 2:4

The person who says, "I have come to know Him," but does not obey what He commands, is lying [by such a profession], and the truth [about the matter] is not in his heart.

1 John 2:9

The person who claims to be living in [harmony with] the light [i.e., by obeying God's truth], and [yet] hates his brother is still [living] in the darkness [of sin].

1 John 3:6

No person who lives in [fellowship with] Christ will continue living a sinful life; the one who keeps on sinning [however], has not seen Him or known Him [as his personal Savior].

1 John 4:7

Loved ones, we should have love for one another, because love comes from [the very nature of] God, and every person who [continually] loves [others] has been [spiritually] conceived by God [See 2:29; 3:9], and knows [he is in fellowship with] God.

Treasury of Scripture Knowledge

Summary

He that loveth not knoweth not God; for God is love.

Bible References

Knoweth

1 John 2:4
The person who says, "I have come to know Him," but does not obey what He commands, is lying [by such a profession], and the truth [about the matter] is not in his heart.
1 John 3:6
No person who lives in [fellowship with] Christ will continue living a sinful life; the one who keeps on sinning [however], has not seen Him or known Him [as his personal Savior].
John 8:54
Jesus answered them, "If I were to honor myself, that honor would be worthless. [But] it is my Father who honors me [and] you say He is your God.

God is

1 John 1:5
And this is the message we heard from Him, and [now want to] announce to you: God is light [i.e. righteousness] and in His [very nature] there is no trace of darkness [i.e., evil].
2 Corinthians 13:11
Finally, brothers, good-bye [or, "be glad"]. Be fully restored [spiritually]. Be comforted [or, "exhort one another"]. Think alike on things. Be at peace among yourselves. And the God of love and peace will be with you.
Ephesians 2:4
But God, who has great love for us and abundant mercy [toward us],
Hebrews 12:29
for our God is truly a consuming fire.

General references

Matthew 22:40
The entire law of Moses and the prophets hinge on these two commandments."
John 15:13
No one has [any] greater love than to give up his life for his friends.
1 Corinthians 16:14
Everything you do should be done lovingly.
Hebrews 13:1
Continue to love [one another] as brothers.