Five Opinions On What Makes An Intelligent Person

“Prahlada Maharaja replied: Because of their uncontrolled senses, persons too addicted to materialistic life make progress toward hellish conditions and repeatedly chew that which has already been chewed. Their inclinations toward Krishna are never aroused, either by the instructions of others, by their own efforts, or by a combination of both.” (Shrimad Bhagavatam, 7.5.30)