The central message of this sermon is that true righteousness and connection with God come not from self-righteousness, obedience to rules, or seeking external validation, but from humility and a vertical relationship with God. The speaker argues that the Pharisee's focus on being better than others and obeying laws out of pride has led him astray, whereas the tax collector's humble recognition of his own sinfulness allows for genuine connection with God. This message advances the belief that our worthiness and righteousness are not determined by our external actions or appearances, but rather by our inner hearts and attitudes towards God. The takeaway is that we should strive to cultivate humility, seek a deeper relationship with God, and prioritize love over obedience to rules.