Hebrews 3:12

Jeremiah 17:5 NIV
This is what the Lord says: “Cursed is the one who trusts in man, who draws strength from mere flesh and whose heart turns away from the Lord.

Jeremiah 17:9 NIV
The heart is deceitful above all things and beyond cure. Who can understand it?

Jeremiah 7:24 NIV
But they did not listen or pay attention; instead, they followed the stubborn inclinations of their evil hearts. They went backward and not forward.