Can you picture yourself walking without feet?
Should you take it lightly that you should slumber soundly while misery hinders the sleep of many?
Should you forget that you you fill yourself with both delicious dishes and cool water while the pleasure of good food and drink is impossible for some, due to sickness and disease?
Consider the faculties of hearing and seeing with which you have been endowed. Look at your healthy skin and be grateful that you have been saved from the diseases that attack it. Reflect on your powers of reasoning and remember those that suffer mental ailments.
(‘Aaidh ibn Abdullah al-Qarni)