Few of us have time to read multiple business books each month. We might pick up a few books and make our way through them, but if your library is like mine, it’s stuffed with those you want to read but never found the time. I’m here to help correct that problem. These quotes from five of the best business books of 2015 include four quotes from each one to give you a sense for what the author is saying. If any of them catch your fancy, investigate the book further.