Receiving the Kingdom of God like a child

Luke records a parable of Jesus in Luke 18:9-17:

[Jesus]also told this parable to some who trusted in themselves that they were righteous, and treated others with contempt:

“Two men went up into the temple to pray, one a Pharisee and the other a tax collector. The Pharisee, standing by himself, prayed thus: ‘God, I thank you that I am not like other men, extortioners, unjust, adulterers, or even like this tax collector. I fast twice a week; I give tithes of all that I get.’

But the tax collec...