"Those who listen"- those who study his word, who come to church to learn and be disciplined. "Those who don't listen"- those who don't try, or those who are in church but don't signs o the lord those who sit down in worship, those who are more worried about what's for supper that what they can it in the word of God while at church. "The little understanding they have will be taken away from them"- you are in it to win it or not. If not Gods going to take away all your understanding. You don't half way get in heaven. When playing a sport as a kid, if you practice constantly you will succeed. If you only practice once a week for twenty minutes, you will be sitting the bench. You have to put in effort to succeed.