1 John 4:20

1 John 2:4 NIV
Whoever says, “I know him,” but does not do what he commands is a liar, and the truth is not in that person.

1 John 2:9 NIV
Anyone who claims to be in the light but hates a brother or sister is still in the darkness.

1 John 3:17 NIV
If anyone has material possessions and sees a brother or sister in need but has no pity on them, how can the love of God be in that person?

1 John 4:12 NIV
No one has ever seen God; but if we love one another, God lives in us and his love is made complete in us.