Twenty years from now you will be more disappointed by the things that you didn’t do than by the ones you did do. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover.

Mark Twain (1835-1910) American writer [pseud. of Samuel Clemens]

(Spurious)

A common "inspirational" quote, frequently attributed to Twain, but not found in writings. Earliest found is in H. Jackson Brown, P.S. I Love You (1990), attributed to Brown's mother. More info here.