Wealth Quote of the Day by Stanley Tang, “Success comes down to hard work plus passion, over time.” Stanley Tang, DoorDash cofounder and billionaire, turned early coding skills into scalable tech wealth. He built DoorDash from a college startup into a $75 billion U.S. logistics leader. Tang emphasizes hard work, passion, and long-term focus. IPO success, market expansion, and strategic investments show his vision. Learn how persistence, product insight, and data-driven innovation created enduring billionaire wealth.