Romans 12:2
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.
2 Corinthians 11:14
And no marvel; for Satan himself is transformed into an angel of light.
2 Corinthians 11:15
Therefore it is no great thing if his ministers also be transformed as the ministers of righteousness; whose end shall be according to their works.