Galatians 4:8

5 that he might redeem those who were under the law, that we might receive the adoption of sons.

6 Because you are sons, God sent forth the Spirit of his Son into our hearts, crying, "Abba! Father!"

7 So you are no longer a bondservant, but a son; and if a son, then an heir of God through Christ.

8 However at that time, not knowing God, you were in bondage to those who by nature are no gods.

9 But now that you have come to know God, or rather to be known by God, why do you turn back again to the weak and miserable elements, to which you desire to be in bondage all over again?

10 You observe days, months, seasons, and years.

11 I am afraid for you, that I might have wasted my labor for you.