Šeit pēc iespējas vienkāršāk izklāstīts starter pack tavai problēmai: https://www.understandchristianity.com/beyond-the-basics/election/
Sevišķi šo: https://www.understandchristianity.com/basic-teachings-of-christianity/justified-by-grace-through-faith/
sadaļās "Through God’s Gift of Faith" un specifiski tev ar hederu "Sadly, Many Reject the Gift":

"If our all-powerful God gives people faith, why isn’t everyone in the world a Christian? While we can’t bring ourselves to faith, sadly we can reject God and his message of forgiveness. God doesn’t force us to come to faith."