Acts 15:37-38
Barnabas, however, was bent on taking with them John, whose other name was Mark,
Luke 9:62
Jesus answered him, "No one who has put his hand to the plough, and then looks behind him, is fit for the Kingdom of God.
1 Corinthians 15:33
Do not deceive yourselves: "Evil companionships corrupt good morals."
Revelation 3:16
Accordingly, because you are lukewarm and neither hot nor cold, before long I will vomit you out of My mouth.
Revelation 21:8
But as for cowards and the unfaithful, and the polluted, and murderers, fornicators, and those who practise magic or worship idols, and all liars--the portion allotted to them shall be in the Lake which burns with fire and sulphur. This is the Second Death."