Those back-to-back experiences confirmed what I already knew: That I was a shitty-ass employee and I'd better start my own business.
Mark CubanMost people think it's all about the idea. It's not. EVERYONE has ideas. The hard part is doing the homework to know if the idea could work in an industry, then doing the preparation to be able to execute on the idea.
Mark CubanI was lucky. I grew up knowing that hard work and smart work has a greater impact on results than being passionate about something.
Mark Cuban