New Testament
1 John 2:4
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Anyone who says, "I know God," but doesn't keep his commandments is a liar. The truth isn't in that person.
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He that saith, I know him, and keepeth not his commandments, is a liar, and the truth is not in him.
What 1 John 2:4 means
Plain-English insight for readers
This verse highlights a crucial truth about knowing God. It states that claiming to know God while ignoring His commandments is contradictory. Such a person is described as a liar, indicating that their words do not match their actions. True knowledge of God is reflected in how we live our lives. If we genuinely know Him, we will strive to follow His teachings. This connection between belief and behavior is essential for a meaningful relationship with God. It challenges us to examine our lives and ensure that our actions align with our claims. Ultimately, this verse calls us to authenticity in our faith, urging us to live out the principles we profess to believe. It reminds us that knowing God is not just about words but about living in a way that honors Him and His commands. Our integrity in this area is a testament to the truth we hold in our hearts, shaping our character and guiding our choices every day. It’s a powerful reminder of the importance of living out our faith.
How to apply 1 John 2:4 to your life
To apply this verse, reflect on your daily actions and choices. Are they consistent with your belief in God? Make a conscious effort to align your behavior with His teachings. This alignment will strengthen your relationship with God and enhance your integrity. Remember, actions speak louder than words in your faith journey.
Curated for this public verse page. 1 John Summary
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Illustrated scene from John the Apostle's story: Mending Their Nets (Mark 1:19–20)
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John the Apostle

Photo: Photochrom print, Library of Congress Prints and Photographs Division (LCCN 2002725045). License: Public domain in the United States; Library of Congress states no known restrictions on publication. Source. Location: Nazareth, Israel; print preserved by the Library of Congress. Resized for the web.
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Nazareth
The small town in Galilee where Jesus grew up.
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Keep studying 1 John 2:4
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At a Glance — the Book of 1 John
- Author
- John the apostle
- Written
- Around AD 85-95
- Genre
- Letter (epistle)
- Original Audience
- Early Christian communities
Frequently Asked Questions
Quick, clear answers about this verse
What does 1 John 2:4 mean?
1 John 2:4 means that claiming to know God while not following His commandments is contradictory. It emphasizes that true knowledge of God is demonstrated through our actions and obedience to His teachings.
What is the meaning of 'keeping His commandments' in 1 John 2:4?
'Keeping His commandments' in 1 John 2:4 refers to actively following and living according to God's teachings. It highlights that genuine faith is shown through our commitment to obeying what God instructs.
How does 1 John 2:4 apply to daily life?
1 John 2:4 encourages us to examine our actions and ensure they align with our beliefs about God. It reminds us that our behavior should reflect our faith, reinforcing the importance of living authentically.
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