Galatians 2:17
2:17 But if while seeking to be justified in Christ we ourselves have also been found to be sinners, is Christ then one who encourages sin? Absolutely not!
Galatians 5:4
5:4 You who are trying to be declared righteous by the law have been alienated from Christ; you have fallen away from grace!
Galatians 5:11
5:11 Now, brothers and sisters, if I am still preaching circumcision, why am I still being persecuted? In that case the offense of the cross has been removed.
Galatians 6:14
6:14 But may I never boast except in the cross of our Lord Jesus Christ, through which the world has been crucified to me, and I to the world.