You can stumble out of the blocks, you can mess it up in the middle, you can fight down the line and make every conceivable mistake along the way – and still, finish strong.
But when you start again, you have to learn from everything you did before to grow. Chances are you are going to make a whole new set of mistakes, but you will have learned from the ones you made before and now will be on a path to learn new lessons and finish stronger than before once more.