Adventure should be 80 percent 'I think this is manageable,' but it's good to have that last 20 percent where you're right outside your comfort zone. Still safe, but outside your comfort zone.
Bear GryllsI've eaten sheep's eyes, the still hot meat from a zebra killed by a lion, and maggots which give you 70 calories to the ounce.
Bear GryllsLife doesn't reward the naturally clever or strong but those who can learn to fight and work hard and never quit.
Bear Grylls