The opposite of love is indifference to the genuine needs of others.
Exposure to false doctrine places a person at risk not just for theological errors but for moral failure.
Even the wisest people learn little from their successes; God warns His people against allowing their victories (which He will grant) to lead them into pride and spiritual indifference. Instead, they should pay close attention to God's Word.
Conversion engages the mind as well as the emotions.
God's commandments not only reflect His holiness, they promote our happiness.
When believers neglect the revealed Word of God, they are likely to turn to silly and unprofitable methods of insight.