“For the invisible things of him from the creation of the world are clearly seen, being understood by the things that are made, even his eternal power and Godhead; so that they are without excuse.” (Romans 1:20)

“And others save with fear; pulling them out of the fire; hating even the garment spotted by the flesh.” (Jude 1:23)

This exhortation refers both to attempting to “save” unbelievers by warning them of hell and to warning believers against the influence of apostates.

“And did all drink the same spiritual drink: for they drank of that spiritual Rock that followed them: and that Rock was Christ.” (1 Corinthians 10:4)

“So also is the resurrection of the dead. It is sown in corruption; it is raised in incorruption.” (1 Corinthians 15:42)

“Woe unto you, when all men shall speak well of you! for so did their fathers to the false prophets.” (Luke 6:26)