And calling to him a child, he put him in the midst of them and said, "Truly, I say to you, unless you turn and become like children, you will never enter the kingdom of heaven. Whoever humbles himself like this child is the greatest in the kingdom of heaven. (Matthew 18:2-4)
Think of a child: hopelessly dependent, unable to survive on their own, fully looking up to parents or guardians for every need. Children also approach the world with a sense of wonder we lose as we grow, a gleefulness that we crowd out with responsibilities and burdens. When we approach God with this same attitude, we will see Him as the provider of everything and simply delight in his care for us. He is our good Father, loving us in spite of ourselves. When we run to him like a child, happy and carefree and fully trusting, our relationship and faith will grow in the humility and awe Jesus calls us to.