During the days of 'Ali's caliphate, 'Abd Allah ibn al-'Abbas once came to him.

During the days of 'Ali's caliphate, 'Abd Allah ibn al-'Abbas once came to him. He found 'Ali mending his old shoes with his own hand. Turning to Ibn al-'Abbas, 'Ali asked him, "How much do you think is this shoe worth?" "Nothing," replied Ibn al-'Abbas. 'Ali said, "But the same shoe is of more worth to me than authority over you if it were not to me a means for establishing justice,