“People simplify ‘Apollonian’ into ‘mild’, and ‘calm’, and ‘cool’. But ‘Apollonian’ and ‘Dionysian’ are two sides of one coin – a nun kneeling in her cell, holding perfectly still, can be in ecstacy more frenzied than any priestess of Pan Priapus celebrating the vernal equinox.”

“People simplify ‘Apollonian’ into ‘mild’, and ‘calm’, and ‘cool’. But ‘Apollonian’ and ‘Dionysian’ are two sides of one coin – a nun kneeling in her cell, holding perfectly still, can be in ecstacy more frenzied than any priestess of Pan Priapus celebrating the vernal equinox.”

— Robert A. Heinlein