Proverbs regarding confidence
You will not be afraid of sudden disaster, or when destruction overtakes the wicked;
for the LORD will be the source of your confidence, and he will guard your foot from being caught in a trap.
Prov. 3:25-26 (read whole chapter)
A wise person is cautious and turns from evil, but a fool throws off restraint and is overconfident.
Prov. 14:16 (read whole chapter)
In the fear of the LORD one has strong confidence, and it will be a refuge for his children.
Prov. 14:26 (read whole chapter)
The wicked person flees when there is no one pursuing, but the righteous person is as confident as a lion.
Prov. 28:1 (read whole chapter)