Answer:
Though desert men once called me God, today men call me mad. For I wag my tail when I am angry. And growl when I am glad.
A harvest sown and reaped on the same day in an unplowed field. Which increases without growing, remains whole though it is eaten within and without. Is useless and yet the staple of nations.
I never was, am always to be. No one ever saw me, nor ever will. And yet I am the confidence of all, To live and breath on this terrestrial ball.
Surname of the pilot of the Millennium Falcon.
I scribble forms of the finest letter, And repel elements of the harshest weather. I am an arrow-aimer and a dust-breaker.
What did the piece of wood say when he saw the screwdriver and screws approaching?