John 8:55
Now you people have not known Him [i.e., to be your Lord], but I know Him. And if I should say, 'I do not know Him,' I would be a liar like you. But I [do] know Him, and I obey His message.
Romans 1:28
And since these people refused to acknowledge God, He has allowed [or, abandoned] them to have degraded minds and to practice those things which they should not do.
1 Corinthians 15:34
Come to your senses; do what is right and stop sinning. Some of you do not know God [i.e., in a personal way]. I am saying this to make you ashamed.
Revelation 2:11
"The person who has an ear should listen to what the Holy Spirit is saying to the churches. The person who has victory [in the Christian life] will not be harmed at all by the second death [i.e., the lake of fire. See 21:8].
Revelation 2:29
The person who has an ear should listen to what the Holy Spirit is saying to the churches."