'Convinced' in the Bible

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

He was fully convinced that what God promised he was also able to do.

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,

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

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.

But I myself am fully convinced about you, my brothers and sisters, that you yourselves are full of goodness, filled with all knowledge, and able to instruct one another.