'Confidently' in the Bible

"Brothers, I can speak confidently to you about our forefather David, that he both died and was buried, and his tomb is with us to this day.

When the governor gestured for him to speak, Paul replied, "Because I know that you have been a judge over this nation for many years, I confidently make my defense.

Pray for me also, that I may be given the message when I begin to speak -- that I may confidently make known the mystery of the gospel,

They want to be teachers of the law, but they do not understand what they are saying or the things they insist on so confidently.

Therefore let us confidently approach the throne of grace to receive mercy and find grace whenever we need help.