The Sixth Sense: Its Cultivation and Use

By the Sixth Sense I mean the Mystic Sense, or that inner perceptive faculty which distinguishes man from the highest below him and allies him to the highest above him. So distinctive among created objects is it of man that it might, not inaptly, be characterized as the Human Sense. It is used for no one exclusive purpose; on the contrary it is only under its operation that man's activities, one and all, become human.