Sinners in the Hands of an Almighty God

If God always gets the results He expects, if God knows that rejecting His will results in a hardened heart and if God hardens hearts by giving people the opportunity to comply, how can He condemn people for rejecting His will when He gave them the opportunity to do so? And, by the way, why does God allow the birth of those who will reject Him and spend an eternity in hell? Yeah, that's this message