" How do the turtles find Ascension Island? There are sharks in the water too. Some of the turtles get eaten by sharks. Do the turtles know about sharks? How do they not think about the sharks when they're swimming that 1,400 miles? Green turtles must have the kind of mind that doesn't think about sharks unless a shark is there. That must be how it is with them. I can't believe they'd swim 1,400 miles thinking about sharks. "

― Russell Hoban , Turtle Diary