Then were little children presented to him, that he should impose hands upon them and pray. And the disciples rebuked them. But Jesus said to them: Suffer the little children, and forbid them not to come to me: for the kingdom of heaven is for such.
A daily dose of such innocence will help keep the demons away. We are inundated with so much filth around us and in the news these days, this helps purify and rejoice the heart.