Romans 12:2-4

Amplified Bible

² And do not be conformed to this world [any longer with its superficial values and customs], but be ^[a]transformed and progressively changed [as you mature spiritually] by the renewing of your mind [focusing on godly values and ethical attitudes], so that you may prove [for yourselves] what the will of God is, that which is good and acceptable and perfect [in His plan and purpose for you].

³ For by the grace [of God] given to me I say to everyone of you not to think more highly of himself [and of his importance and ability] than he ought to think; but to think so as to have sound judgment, as God has apportioned to each a degree of faith [and a purpose designed for service]. ⁴ For just as in one [physical] body we have many parts, and these parts do not all have the same function or special use,