Why does one do this you ask?
"Twenty years from now you will be more disappointed by the things you didn't do than by the ones you did. So throw off the bowlines, sail away from the safe harbor, catch the trade winds in your sails. Explore. Dream. Discover." ~ Mark Twain
and of course there is
'Cause the man keeps getting frightened
When the boy's not born again. ~ Harry Chapin - "Paint A Picture of Yourself "
To which I would add;
“Make it so.” ~ Jean-Luc Picard