Full Program

        class Journey

          def arrive
            "Hello World"
          end

          def purpose
            while living
              realize!
            end
            transcend
          end

          def transcend
            exit
          end

          def perfecting
            "keep trying " * 5
          end

          def realize!
            "satisfied all requirements"
          end
        end

        class Bird < Journey

          attr_accessor :age
          attr_reader :fate, :species

          def initialize(species)
            @species = species
            @age = 0
            @fate = rand(0..10)
          end

        end

        bird = Bird.new("great blue heron")
        p bird.inspect
        bird.birth
        bird.purpose
        bird.transcend