"...[B]ut the message they heard did not benefit them, because they were not united by faith with those who listened."

- Hebrews 4:2 b ESV

"..."Of course it can't really have been singing," he thought, "I must have imagined it. I've been letting my nerves get out of order. Who ever heard of a lion singing?" And the longer and more beautiful the Lion sang, the harder Uncle Andrew tried to make himself believe he could hear nothing but roaring. Now the trouble about trying to make yourself stupider than you really are is that you very often succeed. Uncle Andrew did. He soon did hear nothing but roaring in Aslan's song. Soon he couldn't have heard anything else even if he had wanted to. And when at last the Lion spoke and said, "Narnia awake", he didn't hear any words: he heard only a snarl..."

-"The Magician's Nephew", pages 149 and 150