Possible Clues:

• Philosopher heard making little noise
• Take steer from philosopher, we hear
• Swish philosopher referred to in speech
• Sound of a willow in the wind
• Purloin future sirloin?
• Make sound as of paper crumpling - or steal cattle
• Steal livestock - make a little noise
• Leaves the sound of AE?
• Swish - steal cattle
• Wind-in-leaves noise