Romans 1:19; Romans 3:20; Romans 8:7

Romans 1:19

19 since what may be known about God is plain to them, because God has made it plain to them.

Romans 3:20

20 Therefore no one will be declared righteous in God’s sight by the works of the law; rather, through the law we become conscious of our sin.

Romans 8:7

7 The mind governed by the flesh is hostile to God; it does not submit to God’s law, nor can it do so.