Those who have virtue always in their mouths, and neglect it in practice, are like a harp, which emits a sound pleasing to others, while itself is insensible of the music. – Diogenes
The advice I am giving always to all my students is above all to study the music profoundly… music is like the ocean, and the instruments are little or bigger islands, very beautiful for the flowers and trees. – Andres Segovia
All living beings, not just animals, but plants and microorganisms, perceive. To survive, an organic being must perceive – it must seek, or at least recognize, food and avoid environmental danger. – Lynn Margulis