[Then after that] I went to the territories of Syria and Cilicia. [Note: Cilicia was where Paul's home town of Tarsus was located. See Acts 9:30].

For if I try to build up again what I had already destroyed [i.e., by returning to depend on compliance with the law of Moses to become right with God, after having rejected this system by trusting in Christ to save me], I would certainly be guilty of sin.

Are you so foolish [as to believe that after] having begun [your Christian lives] through [the power of] the Holy Spirit, you can [now] become complete by [living according to your human strength]?