Romans 2:19

2:19 and if you are convinced that you yourself are a guide to the blind, a light to those who are in darkness,

Romans 8:38

8:38 For I am convinced that neither death, nor life, nor angels, nor heavenly rulers, nor things that are present, nor things to come, nor powers,

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.

Romans 14:14

14:14 I know and am convinced in the Lord Jesus that there is nothing unclean in itself; still, it is unclean to the one who considers it unclean.

tn This verb is parallel to the verbs in vv. 17-18a, so it shares the conditional meaning even though the word “if” is not repeated.

tn BDAG 138 s.v. ἀρχή 6 takes this term as a reference to angelic or transcendent powers (as opposed to merely human rulers). To clarify this, the adjective “heavenly” has been supplied in the translation. Some interpreters see this as a reference to fallen angels or demonic powers, and this view is reflected in some recent translations (NIV, NLT).

tn Grk “For one judges day from day, and one judges all days.”