I'll have to give back something of similar value. The Kingdom of Heaven belongs to such as these because they receive it as a gift, because the Giver loves them and offers it to them freely. As you move through the challenges of adult life, you will likely be more and more tempted to think this is too simple, that there must be something you must do to be saved. But remember, the question of the Pharisees was always the wrong question. God's answer to that question is that He put you in Christ and declared you thereby to be His Sons and Daughters.
Children are spontaneous, acting at once on what they understand.
Their impulses are not strangled by cautious calculations and skepticism. They have no defense mechanisms in place to protect themselves from embarrassment or to hide their shame. If you could invite us all, by your example, to leave our masks at home and share openly with one another both our joys and our troubles. You could be the generation who leads the church into a new sense of community. Don't lose your ability to accept one another, confess your sins to one another, serve one another, bear one another's burdens, or build one another up.