I cannot reconcile the extremes in this world; the beauty of the hawk circling the sky, the grace of the snake sliding through the grass, the culmination of life and death as the Red Tailed hawk swoops down from her dance and grasps the garter snake in her talons, eagerly ending its life and joining its essence to her own.
That book was "De Rerum Natura," or "On the Nature of Things," by the ancient Roman writer Lucretius. It was a book of poetry, but also a work of science and philosophy.