'Confidence' in the Bible

And delighted have the first-born of the poor, And the needy in confidence lie down, And I have put to death with famine thy root, And thy remnant it slayeth.

and they have been affrighted and ashamed of Cush their confidence, and of Egypt their beauty,

And the inhabitants of this coast shall say in that day, Behold, such is our confidence, whither we fled for help to be delivered from the king of Assyria; and how shall we escape?

For the bed is too short to stretch out on,And the blanket is too narrow to wrap around oneself [and likewise all their preparations are inadequate].

For thus saith the Lord GOD, the Holy One of Israel; In returning and rest shall ye be saved; in quietness and in confidence shall be your strength: and ye would not.

The result of righteousness will be peace;the effect of righteousnesswill be quiet confidence forever.

And Rabshakeh said unto them, Say ye now to Hezekiah, Thus saith the great king, the king of Assyria, What confidence is this wherein thou trustest?