Romans 1:28

1:28 And just as they did not see fit to acknowledge God, God gave them over to a depraved mind, to do what should not be done.

Romans 8:27

8:27 And he who searches our hearts knows the mind of the Spirit, because the Spirit intercedes on behalf of the saints according to God’s will.

Romans 14:5

14:5 One person regards one day holier than other days, and another regards them all alike. Each must be fully convinced in his own mind.