To be blind is not miserable; not to be able to bear blindness, that is miserable.
Now is the season for sailing; for already the chattering swallow is come and the pleasant west wind; the meadows bloom and the sea, tossed up with waves and rough blasts, has sunk to silence. Weigh thine anchors and unloose thy hawsers, O Mariner, and sail with all thy canvas set.
Success, in my view, is the willingness to strive for something you really want. The person not reaching the top is no less a success than the one who achieved it, if they both sweated blood, sweat and tears and overcame obstacles and fears. The failure to be perfect does not mean you're not a success.