Entrepreneur and financial knowledge

What do you need to be an entrepreneur?  What is the critical success factor for an entrepreneur?  Is it the hard work, the mindset, the ingenious and creative mind, the street smart knowledge?

Well, the author in this post believes that having a good financial education and being financial literate is a critical component for an entrepreneur to succeed.  Do you agree to that?  Is it possible to be a successful entrepreneur without having good financial knowledge?