The Limits of Perseverance My Dad has a great saying, which is that It’s ok to chip away at a brick wall, but not if you’re using a toothpick Entrepreneurs are famous for persevering in the face of adversity, a trait more commonly known as stubbornness. And generally, that’s a good thing. Breakthrough ideas aren’t easy to come by, nor is leading the market. If those things were common, they wouldn’t be breakthrough. But perseverance doesn’t go anywhere without amassing the proper resources to do the job at hand. Just as you’d never chip away at a brick wall with a toothpick, you’d never willingly go up against a fierce competitor without a great product or sales effort, or you’d…