Serendipity

"You don’t reach Serendib by plotting a course for it. You have to set out in good faith for elsewhere and lose your bearings… serendipitously."

– John Barth, The Last Voyage of Somebody the Sailor

 ser·en·dip·i·ty
[ser-uhn-dip-i-tee]
–noun

1. an aptitude for making desirable discoveries by accident.
2. good fortune; luck: the serendipity of getting the first job she applied for. 
3. the faculty of making fortunate discoveries by accident.