Bible verses about False confidence
(From Nave's Topical Bible)

-In self Deuteronomy 29:19; I Kings 20:11; Proverbs 3:5; 23:4; 26:12; 28:26; Isaiah 5:21; Romans 12:16; II Corinthians 1:9 -In outward resources Psalms 20:7; 33:17; 44:6; 49:6; Proverbs 11:28; Isaiah 22:11; 31:1-3; Jeremiah 48:7; Zechariah 4:6; Mark 10:24 -In man Psalms 33:16; 62:9; 118:8; 146:3, 4; Isaiah 2:22; Jeremiah 17:5; Hosea 5:13; 7:11 -INSTANCES OF .At Babel Genesis 11:4 .Sennacherib, in the siege of Jerusalem II Kings 19:23 .Asa, in relying on Syria rather than on God II Chronicles 16:7-9 .Hezekiah, in the defenses of Jerusalem Isaiah 22:11 .Peter, in asserting his devotion to Jesus Matthew 26:35; Luke 22:33, 34; John 13:37, 38 .See CONFIDENCE, FALSE