Without question, the single most important attribute of a successful entrepreneur is integrity. And that's not some philosophical or theoretical malarkey; it's hard-nosed fact. David S. Rose More Quotes by David S. Rose More Quotes From David S. Rose Any company designed for success in the 20th century is doomed to failure in the 21st. David S. Rose 20th-century company century The entrepreneurial life is one of challenge, work, dedication, perseverance, exhilaration, agony, accomplishment, failure, sacrifice, control, powerlessness…but ultimately, extraordinary satisfaction. David S. Rose dedication perseverance sacrifice Being an entrepreneur is tough. Really, really tough. David S. Rose really being tough entrepreneur I almost never invest in ideas or plans, so you'll need to have a company and at least a product, if not customers. David S. Rose need never you ideas I like to invest in companies where I can really add value from my experience, network, etc., so checking out my portfolio of other investments, and my background, will generally give some guidance there. David S. Rose value will experience i-can If the response you finally receive from me is 'thanks but no thanks', then please accept at face value that I would really not be the right investor for you. You've got to trust me on this, and in this case take 'no' for an answer. David S. Rose face me you trust