Analyzing Word Choice We are as clouds that veil the midnight moon; How restlessly they speed, and gleam, and quiver, Streaking the darkness radiantly! --yet soon Night closes round, and they are lost for ever - "Mutability," Percy Bysshe Shelley What is the effect of the words speed, gleam, and quiver? They emphasize quick movement What idea about humans is expressed through these words? People are thoughtful in their decision-making. People are constantly moving and changing People function best during the day.