Sometime after the creation of Adam and Eve on the sixth day of creation, see Genesis 1:26-31, they rebelled against God by eating the fruit of the tree of the knowledge of good and evil.
By doing so they brought sin into the world and upon all of humanity. The details of this are in Genesis 3:1-24.
In 2 Corinthians, the apostle Paul defends his authority against the claims of false apostles who had entered the Corinthian church, this incident is in chapters 10-11, here we will look at a small portion to illustrate our point.
“The heart is deceitful above all things, and desperately wicked; who can know it? I, the Lord, search the heart, I test the mind, even to give every man according to his ways, and according to the fruit of his doings.” Jeremiah 17:9-10.
To define greed we will start with a leper; Naaman. The commander of the army of the king of Syria, Naaman is described by God Himself as a valiant man.
“The Lord is my shepherd; I shall not want. He makes me to lie down in green pastures; He leads me beside the still waters. He restores my soul; He leads me in the paths of righteousness for His name’s sake.” Psalm 23:1-3.