Even if you work hard, have lots of promising ideas, and are very persistent, the odds are still against you (at least in terms having a big payoff that frees you from ever having to work again). But you will probably make a living for yourself and have lots of interesting experiences, and that's worth something.
This is a tangent, but the giant fixed black header on that site is awful. It covers the text, and the giant navigation links extend beyond the header even, distracting even more from the content.
What bothers me most about it is that it consists of navigation links and a search box-- elements that are meant to take me away from what I'm currently trying to read. If you're going to go the effort of writing things you want me to read, why would you then shove something in my face that distracts me and tries to pull me away from it.
If you can't handle the harsh realities than you are not ready to be an entrepreneur. It's the ability of an entrepreneur to not quit when things are down, to inspire others that are ready to give up, and to continue to lead through times of failure and success.
I'd find the article more pleasant to read if your "continue reading" link jumped to the same part of the article on the other site. It's annoying having to scroll around looking for the place to start reading