Mark 2:17
On hearing this, Jesus said to them, "It is not the healthy who need a doctor, but the sick. I have not come to call the righteous, but sinners."
Genesis 8:21
The LORD smelled the pleasing aroma and said in his heart: "Never again will I curse the ground because of humans, even though every inclination of the human heart is evil from childhood. And never again will I destroy all living creatures, as I have done.
Ecclesiastes 9:3
This is the evil in everything that happens under the sun: The same destiny overtakes all. The hearts of people, moreover, are full of evil and there is madness in their hearts while they live, and afterward they join the dead.
Psalm 51:5
Surely I was sinful at birth, sinful from the time my mother conceived me.
Jeremiah 17:9
The heart is deceitful above all things and beyond cure. Who can understand it?
Romans 3:4
Not at all! Let God be true, and every human being a liar. As it is written: "So that you may be proved right when you speak and prevail when you judge."
I have presented my side. I ask for only one proof any of mankind has ever had an "honest heart". Please.