"I am not writing you a new command but one we have had from the beginning. I ask that we love one another. And this is love: that we walk in obedience to his commands. As you have heard from the beginning, his command is that you walk in love."
(2 John 5&6)
A great circle - love by obeying, and the command to obey is to love.
So much comes back to love; I pray that these children meet Jesus, who IS love, and learn how to love others.