Proverbs 26:12
26:12 Do you see a man wise in his own eyes?
There is more hope for a fool than for him.
Isaiah 5:21
5:21 Those who think they are wise are as good as dead,
those who think they possess understanding.
Romans 12:16
12:16 Live in harmony with one another; do not be haughty but associate with the lowly.
Do not be conceited.