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

Do not be conformed to this world, but be transformed by the renewing of your mind. Then you will be able to test and approve what is the good, pleasing, and perfect will of God.

and be not conformed to this age, but be transformed by the renewing of your mind, for your proving what is the will of God--the good, and acceptable, and perfect.

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