Fifth, they gave us emotional knowledge. To read Whitman as he exults in joy, to be with Antigone as she struggles to bury her brother, to travel with Galileo as he follows his discoveries wherever they may take him, to be with the mathematician Pascal as he feels the direct presence of God, or to travel with Sylvia Plath into the depths of madness is not necessarily to learn a new fact, but it is to have a new experience.