Source: http://www.outofbounds.com/voyage/voyage.html. The full quote is:
Ever since Magellan, sailing around the world has captured the imagination of explorers of every generation. Over one hundred years ago, in 1895, Joshua Slocum was the first person to make the trip alone, in a 37-foot sailboat. Slocum's voyage took three years, with stops at various island ports along the way. Afterwards, Slocum wrote, "no one can know the pleasure of sailing free over the great oceans save those who have had the experience..."