Failure doesn't mean you will not succeed, it only means you have to work harder. Many that gave up didn't know how close they were to success. If they realise how close they were to success they won't giving up.
“And it came to pass, that, as the people pressed upon him to hear the word of God, he stood by the lake of Gennesaret, And saw two ships standing by the lake: but the fishermen were gone out of them, and were washing their nets. And he entered into one of the ships, which was