Don't give up, don't take anything personally, and don't take no for an answer; you never know what you're going to learn along the way." The most painful mistake I see in first-time entrepreneurs is thinking that just having a business plan or a great concept is enough to guarantee success. It’s not. Business success is 80% psychology and 20% mechanics. And, frankly, most people’s psychology is not meant for building a business." 카지노사이트