Historians state that the reasons for Yazeed to release the family of the Messenger (Allah's prayers be upon his and his family) from captivity and imprisonment are many. As he has seen uncountable miracles from the holy head and from the family of the Holy Prophet (Allah's prayers be upon him and upon his family).
Including: What he saw in his dream on the night in which his wife Hind saw the vision that we will mention, and this is revealed by Hind’s saying: “So I made a request to yazeed, so he entered a dark room, his face turned to the wall, and he says: Why did I kill al-Hussayn ... etc. "
Including: What his wife Hind saw in her dream and told him.
Including: what a maid saw in her sleep, and in it that a group of angels wanted to burn the house of Yazeed and those in it.
Including: What Sakeena (peace be upon her) saw in her sleep and told him.
These things have caused terror in the heart of that infidel, regarding the demise of his power and the expiration of his term. However, the strongest reason is the fear and terror that arose in his heart, due to the occurrence of conversations between people about him and the hate of the people of the Levant for him, the imminent eruption of sedition and the possibility of people attacking him.
On the day of the release of the captives from imprisonment, Imam Zayn al-Abideen (peace be upon him) was summoned from imprisonment, and Yazeed wanted Zayn al-Abideen (peace be upon him) to utter a word in order to kill him, but God forbade him.
The scholar Majlisi said in Bihar al-Anwar: It was narrated that when Ali Ibn al-Hussayn (peace be upon him) was carried to Yazeed, he thought to cut his neck. So he made him stand in front of him, while he was asking him questions which answers necessitate his killing, but Ali Ibn al-Hussayn (peace be upon him) answered him accordingly while having a small rosary in hand, turning it with his fingers while he was speaking. Yazeed said to him: I am talking to you, and you answer me and turn your fingers with a rosary in your hand! How is that permissible?
He (peace be upon him) said: My father told me about my grandfather, that if he prayed the morning [meaning morning prayer], he would not speak until he took a rosary in his hands, and he would say: O God, I glorify you in this morning and praise you by the number of which I turn my rosary on. And thus he takes the rosary in his hand and turns it around, and he speaks what he wants. He stated that this is accepted and is a Hirz for him until he goes to bed. And when he goes to bed, he says the same and puts the rosary under his head, as it is accepted from him. So I did, following the example of my grandfather.
Yazeed said: Time after time, I do not speak to any of you unless he answers me with what he wins. He pardoned him (and sent him and ordered his release).