“Do you swear to tell the truth, the whole truth, and nothing but the truth, so help your filaments?” asked the audiophile judge of the tube.

“Since I am the truth,” respondeth the tube, “I have nothing to say that is not already declared by my sound.”

“But I must have the truth, and without bias!” proclaimeth the audiophile.

“What good is a tube without bias?” answereth the tube.

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Having uttered these words, the tube began to glow. It gloweth with a light so golden that the audiophile’s eyes were forced to close and his ears to open. Images did appear before them, images so overwhelming in their brilliance that the audiophile was filled with wonder at the divine power of music, and questions about absolute truth lost their urgency (Revolutions, 3:33-37).