The Lord is My Shepherd Category : Christian Kids Jokes A Sunday School teacher decided to have her 2 nd grade class memorize Psalm 23, one of the most quoted passages in the Bible. She gave the children a month to learn the chapter. One little boy was excited about the task, but he just couldn't memorize the Psalm. Although he practiced and practiced, he could hardly get past the first line. The day came for the children to recite Psalm 23 before the congregation. The little boy was nervous. When his turn came, he stepped up to the microphone and proudly said, "The Lord is my Shepherd and that's all I need to know!"