it is the nature of dogs to sleep it is the nature of rocks to crumble it is the nature of the sky to be blue it is the nature of the day to be long it is the nature of the car to break down it is the nature of the tree to grow upwards it is the nature of hands to seek hands it is the nature of birds to sing songs it is the nature of hearts to beat it is the nature of rivers to flow it is the nature of roads to go onwards it is the nature of suns to beat brows it is the nature of worms to burrow it is the nature of tops to turn it is the nature of grass to be dew-covered it is the nature of the earth to be hard it is the nature of the siren to blare it is the nature of the eyes to roam it is the nature of the shelf to hold it is the nature of hammer to build it is the nature of a river to roar it is the nature of a voice to whisper it is the nature of the book to yellow it is the nature of paper to burn it is the nature of the blanket to warm it is the nature of the arms to comfort it is the nature of the family to challenge it is the nature of the breakfast to fill it is the nature of nations to bicker it is the nature of floors to creak it is the nature of gods to laugh it is the nature of man to laugh too it is the nature of the mind to wonder it is the nature of the body to fear it is the nature of life to consume it is the nature of all else to oppose us