1 John 4:8
“He that loveth not knoweth not God; for God is love.”
King James Version (KJV)
Read this verse in context with translation switching:
Read Full Chapter →Context
Continuing his teaching on love, John makes the foundational declaration that God is love, so that knowing God and living in love are inseparable.
What Does 1 John 4:8 Mean?
John states one of the Bible's most profound truths: "God is love." This does not merely say God loves or is loving; it identifies love as central to who God is. From this John draws a sharp conclusion: "He that loveth not knoweth not God." If love defines God's character, then a person without love shows they have not truly come to know him. The logic is simple and searching -- you cannot genuinely know a God of love and remain unloving. "God is love" does not flatten God into a vague feeling; in context it points to the self-giving love displayed when God sent his Son, described in the surrounding verses. So the statement is anchored in concrete action, not abstraction. This verse functions as both comfort and challenge: comfort, because the God we deal with is fundamentally loving; challenge, because our own love (or its absence) reveals how well we actually know him. To know the God who is love is to be changed into someone who loves. A loveless religion, however correct in words, has missed God himself.
In the Original Language
The Greek ho theos agape estin ("God is love") makes love a defining attribute of God, and the verb ginosko ("know") implies relational, experiential knowledge.
Cross References
“And we have known and believed the love that God hath to us. God is love; and he that dwelleth in love dwelleth in God, and God in him.”
- 1 John 4:16
“And the LORD passed by before him, and proclaimed, The LORD, The LORD God, merciful and gracious, longsuffering, and abundant in goodness and truth,”
- Exodus 34:6
“For God so loved the world, that he gave his only begotten Son, that whosoever believeth in him should not perish, but have everlasting life.”
- John 3:16
Application
Let the truth that God is love both reassure you of his heart toward you and prompt honest reflection on whether your life reflects his love.