[Today: Exodus 10] Is God Unfair to Harden Pharaoh's Heart? In chapter 10 of Exodus, God explains to Moses that Pharaoh's heart will be hardened and why. Was God unjust in hardening Pharaoh's heart? Many suffered and died because Pharaoh refused to let the people go. Likewise, today infidels and unbelievers question why an allegedly "good God" allows human suffering. The answer to this vital question is found in today's study.