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"And their Prophet (Samuel) said to them: Verily! The sign of His Kingdom is that there shall come to you At-Tabut (a wooden box), wherein is Sakinah (peace and reassurance) from your Lord and a remnant of that which Moosaa (Moses) and Harun (Aaron) left behind, carried by the angels, Verily, in this is a sign for you if you are indeed believers." [Al-Baqarah (2):248]

Narrated Abu Waqid Al-Laithi:

While Allah's Apostle was sitting in the mosque with some people, three men came. Two of them came in front of Allah's Apostle and the third one went away. The two persons kept on standing before Allah's Apostle for a while and then one of them found a place in the circle and sat there while the other sat behind the gathering, and the third one went away. When Allah's Apostle finished his preaching, he said, "Shall I tell you about these three persons? One of them be-took himself to Allah, so Allah took him into His grace and mercy and accommodated him, the second felt shy from Allah, so Allah sheltered Him in His mercy (and did not punish him), while the third turned his face from Allah and went away, so Allah turned His face from him likewise. " [The Book of Knowledge Volume 1, Book 3, Hadeeth 66]