We Jews say that the world is still unredeemed and that the Messiah will not come until the world has deserved to receive him.
Every man has an evil inclination which causes sin, but it also causes merit.
If there were no evil inclination, there could be no virtue and no repentance. It's not impossible to be good. You say our God is hard, but yours is even harder. Our God has more respect for us. He tells us You're not children, but men.