translation.ar: تخيل كيف ستكون حياتك اذا كنت تمسح ذراعك بهذه الريشه ولكن عقلك يخبرك ان هذا ما تشعر به... وتلك هي تجربة مرضاي مع الالم المزمن
translation.en: Imagine what your life would be like if I were to stroke it with this feather, but your brain was telling you that this is what you are feeling -- and that is the experience of my patients with chronic pain.