Obduracy (Hardness): The Antediluvians
Source: Nav
Genesis 6:3, 5, 7
So the LORD said, “My Spirit will not contend with man forever, for he is mortal; his days shall be 120 years.” / Then the LORD saw that the wickedness of man was great upon the earth, and that every inclination of the thoughts of his heart was altogether evil all the time. / So the LORD said, “I will blot out man, whom I have created, from the face of the earth—every man and beast and crawling creature and bird of the air—for I am grieved that I have made them.”