'Confidence' in the Bible

For the word of the Lord has resounded from you and has echoed [like thunder], not only in Macedonia and Achaia, but in every place [the news of] your [great] faith in God has spread, so that we never need to say anything about it.

for this reason, brothers and sisters, during all our distress and suffering we have been comforted and greatly encouraged about you because of your faith [your unwavering trust in God—placing yourselves completely in His loving hands];