I have no doubt that it is a part of the destiny of the human race, in its gradual improvement, to leave off eating animals.
—Henry David Thoreau
apostrophe
Words that are spoken to a person who is absent or imaginary, or to an object or abstract idea. The poem God's World by Edna St. Vincent Millay begins with an apostrophe: "O World, I cannot hold thee close enough!/Thy winds, thy wide grey skies!/Thy mists that roll and rise!"