Bible Verses about “mediocre”

“And be not conformed to this world: but be ye transformed by the renewing of your mind, that ye may prove what [is] that good, and acceptable, and perfect, will of God.”

“‹So then because thou art lukewarm, and neither cold nor hot, I will spue thee out of my mouth.›”

“‹I know thy works, that thou art neither cold nor hot: I would thou wert cold or hot.›”