Then turning to Haji Khurasani [who was just recovering from a long period of mental and physical indisposition] He said in part:
"Joy is the best cure for your illness. Joy is better than a hundred thousand medicines for a sick person. If there is a sick person and one wishes to cure him. let one cause joy and happiness in his heart."
- ‘Abdu’l-Baha (Words of ‘Abdu’l-Baha recorded by Ali Kuli Khan, 'Abdu'l-Baha's English-language secretary during 1899 to 1901; ‘Ali-Kuli Khan 1906 Pilgrim Notes’)