One of the best known stories of the Old Testament is not only about David and Goliath but also about the Lord and the Champion to come.
Although some adults tried to keep children away from Jesus, he welcomed them in Mark 10:13-16 as models of how to enter the kingdom...
In encounters with a powerful man and a destitute woman, Jesus showed the authority of his word over sickness and death.
In some of his last words, in Matthew 28:16-20, Jesus gave a clear mission to his disciples: to make more disciples of all people...