Acts 15:37-38
And Barnabas determined to take with him John, whose surname was Mark.
Luke 9:62
Jesus said to him: No one that puts his hand to the plow, and looks back, is fit for the kingdom of God.
1 Corinthians 15:33
Be not deceived: Evil communications corrupt good manners.
Revelation 3:16
So, then, because you are luke-warm, and neither cold, nor hot, I will vomit you out of my mouth.
Revelation 21:8
But the fearful, and the unbelieving, and the detestable, and murderers and lewd persons and sorcerers and idolaters and all liars, shall have their part in the lake that burns with fire and brimstone, which is the second death.