“Nobody seeks my help with a petition or offers an excuse that is more pressing than he, reminding me of a favor I did him so that it would be followed by its sister (i.e, one like it) and so good would be done to its asker because withholding of later things removes gratitude for earlier ones.”Al-Tabari book History of the Prophets and KingsSource: History of the Prophets and Kings, Vol. 29, p. 257/258
