Fiqh-us-Sunnah Volume 2, Supererogatory Prayer, Fiqh 2.033.
Section : Salatul Tasbih. ‘Ikrimah reports from Ibn ‘Abbas that the Messenger of Allah said to ‘Abbas ibn ‘Abdal-Mutalib: “O ‘Abbas, O Uncle, shall I not give you, shall I not present to you, shall I not donate to you,…