It's like surfing. You have to paddle like hell to get to where the wave is going to be, then be standing on the board at just the right time. Once you've missed a few waves, you have a better idea of the timing.

There's a lot of things that have to line up to make a startup successful: vision, market, funding, and talent. Believe it or not, the market and the funding are likely to be more forgiving of previous failure than the talent.