Pol Pot - he rounded up anybody he thought was intellectual and had them executed. And how he told someone was intellectual or not was whether they wore glasses. If they're that clever, take them off when they see him coming!
The Bible, as a revelation from God, was not designed to give us all the information we might desire, nor to solve all the questions about which the human soul is perplexed, but to impart enough to be a safe guide to the haven of eternal rest.