For time is the medium of narration, as it is the medium of life. Both are inextricably bound up with it, as are bodies in space. Similarly, time is the medium of music; music divides, measures, articulates time, and can shorten it, yet enhance its value, both at once.
The Magic Mountain (1924) ch. 7, sect. 1 (translated by H. T. Lowe-Porter)