This week's golf news is that Tiger is emerging from the off-season after two months of relaxing with his new daughter and "working on my body to be stronger than ever". Not encouraging news for his competitors on the PGA tour; Tiger is already the most fit and athletic player on the planet.
But like the ambitious entrepreneur his standards are higher than just winning, he wants to make history. He believes in the process of continuous improvement to be the best he can possibly be.
In business it might be called Kaizen or something else, but the successful business leader also knows that it needs to be done. It's not enough to "never quit"; it's necessary to "never stop getting better".