The central message of this sermon is that true dependency on God leads to surrendering one's resources to Him, specifically through giving a tithe (10% of one's income). This idea is rooted in the understanding that everything comes from and belongs to God, and as such, our lives are part of a grand cycle of dependence on Him. The speaker shares his personal experience of learning utter dependency on God after a life-altering event at age 16, which led him to realize that God's opinion was all that truly mattered. He emphasizes the importance of acknowledging God with a tithe as a way to demonstrate our dependency and trust in His provision, rather than trying to impress others or accumulate wealth for ourselves. By surrendering our resources to God through tithing, we are able to break free from anxiety and stress about money and instead focus on living out of dependence on Him.