Customers don't care how much time something takes to build. They care only if it serves their needs.
Eric RiesProducts a start-up builds are really experimentsโฆLearning about how to build a sustainable business is the outcome of those experiments [which follow] a three-step process: Build, measure, learn.โ โ[A startup is] โฆ an organization dedicated to creating something new under conditions of extreme uncertainty.
Eric RiesThe grim reality is that most start-ups fail. Most new products are not successful. Yet the story of perseverance, creative genius, and hard work persists.
Eric RiesThere was a study done in the early 20th century of all the entrepreneurs who entered the automobile industry around the same time as Henry Ford; there were something like 500 automotive companies that got funded, had the internal combustion engine, had the technology, and had the vision. Sixty percent of them folded within a couple of years.
Eric Ries