Lying under an acacia tree with the sound of the dawn around...

Lying under an acacia tree with the sound of the dawn around me, I realized more clearly the facts that man should never overlook: that the construction of an airplane, for instance, is simple when compared [with] a bird; that airplanes depend on an advanced civilization, and that were civilization is most advanced, few birds exist. I realized that If I had to choose, I would rather have birds than airplanes.