Two very different men. Two very different legacies. One powerful business lesson. On this day in 1847, Thomas Edison was born. In 1990, Nelson Mandela walked free after 27 years in prison. One represents invention. Practical genius. Relentless experimentation. The other represents resilience. Endurance. Justice delayed, but not denied. Most entrepreneurs want to be Edison: They want the ideas. The spark. The breakthrough. The next product. The next system. The clever move. But very few are willing to be Mandela: To endure. To stay consistent when results are invisible. To keep the faith when recognition is nowhere in sight. To do the right thing when shortcuts would be easier. Business is not built on invention alone. It is built on invention plus resilience. Ideas get attention. Resilience gets outcomes. You can have the best model in the world, but if you quit in year three, it does not matter. You can have average ideas, but if you persist intelligently for ten years, you win. Innovation gets you in the game. Resilience keeps you there long enough to compound. So the question is simple. Are you trying to be clever? Or are you building the kind of character that can outlast the cycle? Because in business, delayed justice is normal. Keep building. Keep refining. Keep showing up. The combination of invention and resilience is unstoppable.