Acts 15:37-38
Barnabas wanted to take John, also called Mark, with them.
Luke 9:62
Jesus said to him, "No one who puts his hand to the plow and looks back is fit for the kingdom of God."
1 Corinthians 15:33
Do not be deceived: "Bad company corrupts good morals."
Revelation 3:16
So then, because you are lukewarm, and neither cold nor hot, I will spit you out of my mouth.
Revelation 21:8
But as for the cowardly, the unbelieving, the immoral, as for murderers, fornicators, sorcerers, idolaters, and all liars, their lot will be in the lake that burns with fire and sulfur, which is the second death."