The cardinal virtue of a teacher [is] to protect the pupil from his own influence.
Ralph Waldo EmersonWhen nature removes a great man, people explore the horizon for a successor; but none comes, and none will. His class is extinguished with him. In some other and quite different field, the next man will appear.
Ralph Waldo EmersonTwo sorts of writers possess genius: those who think, and those who cause others to think.
Ralph Waldo Emerson