Dang dude that is one of my number one scripture quotes. Your heart can only deceive you. Your heart does not deceive me, my heart has that under control.
Human beings are the most self-deceptive things in all of creation. That explains a lot.
Comes to mind every time I see the Q-drop with “Trust Humanity”.
Or, the soppy bromides tossed around here.
Which is, other than the fulfillment of the Genesis 3 promise of a Messiah, a primary undercurrent of the Old Testament.
Think Ecclesastes, “...nothing new under the sun..”
Mankind, having encouragement from Satan, indulges in gross violations of both tables of the Commandments.
And, modern man is not progressive in his thoughts (evil)...I give you Moloch from before the flood.
Reading the OT is like people watching at the local, shabby mall.
“What evil lurks in the hearts of men?” (not Scripture, folks!)
No other animal can reject reality. Maybe dolphins and whales can, but they're too smart for that.