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"And he raised his parents to the throne and they fell down before him prostrate, And he said: "O my father! This is the interpretation of my dream aforetime! My Lord has made it come true! He was indeed good to me, when He took me out of the prison, and brought you (all here) out of the bedouin-life, after Shaitaan (Satan) had sown enmity between me and my brothers, Certainly, my Lord is the Most Courteous and Kind unto whom He will, Truly He! Only He is the All-Knowing, the All-Wise." [Yoosuf (12):100]

Narrated 'Abdur Rahman bin Abi Bakra's father:

Once the Prophet was riding his camel and a man was holding its rein. The Prophet asked, "What is the day today?" We kept quiet, thinking that he might give that day another name. He said, "Isn't it the day of Nahr (slaughtering of the animals of sacrifice)" We replied, "Yes." He further asked, "Which month is this?" We again kept quiet, thinking that he might give it another name. Then he said, "Isn't it the month of Dhul-Hijja?" We replied, "Yes." He said, "Verily! Your blood, property and honor are sacred to one another (i.e. Muslims) like the sanctity of this day of yours, in this month of yours and in this city of yours. It is incumbent upon those who are present to inform those who are absent because those who are absent might comprehend (what I have said) better than the present audience." [The Book of Knowledge Volume 1, Book 3, Hadeeth 67]