If there's one thing I discovered since I came back from hiatus, it's that you can't go backwards.
Freedom, morality, and the human dignity of the individual consists precisely in this; that he does good not because he is forced to do so, but because he freely conceives it, wants it, and loves it.
If you don't accept failure as a possibility, you don't set high goals, you don't branch out, you don't try - you don't take the risk.