Pastor Thomas Lewis's sermon, "Moving From Manna Mentality," focuses on transitioning from scarcity to abundance, based on Joshua 5:11-12. Reflecting on his journey into ministry, Pastor Lewis shares insights on the Israelites' reliance on manna in the wilderness for 40 years. He encourages the congregation to embrace God's blessings and move beyond just enough towards abundance. Through humor and personal stories, Pastor Lewis inspires active stewardship and a future of spiritual and material prosperity.