§ Apropos the topic of verbal mistreatment, we learned in a mishna there (Kelim 5:10): If one cut an earthenware oven widthwise into segments, and placed sand between each and every segment, Rabbi Eliezer deems it ritually pure. Because of the sand, its legal status is not that of a complete vessel, and therefore it is not susceptible to ritual impurity. And the Rabbis deem it ritually impure, as it is functionally a complete oven. And this is known as the oven of akhnai. The Gemara asks: What is the relevance of akhnai, a snake, in this context? Rav Yehuda said that Shmuel said: It is characterized in that manner due to the fact that the Rabbis surrounded it with their statements like this snake, which often forms a coil when at rest, and deemed it impure. The Sages taught: On that day, when they discussed this matter, Rabbi Eliezer answered all possible answers in the world to support his opinion, but the Rabbis did not accept his explanations from him. After failing to convince the Rabbis logically, Rabbi Eliezer said to them: If the halakha is in accordance with my opinion, this carob tree will prove it. The carob tree was uprooted from its place one hundred cubits, and some say four hundred cubits. The Rabbis said to him: One does not cite halakhic proof from the carob tree. Rabbi Eliezer then said to them: If the halakha is in accordance with my opinion, the stream will prove it. The water in the stream turned backward and began flowing in the opposite direction. They said to him: One does not cite halakhic proof from a stream. Rabbi Eliezer then said to them: If the halakha is in accordance with my opinion, the walls of the study hall will prove it. The walls of the study hall leaned inward and began to fall. Rabbi Yehoshua scolded the walls and said to them: If Torah scholars are contending with each other in matters of halakha, what is the nature of your involvement in this dispute? The Gemara relates: The walls did not fall because of the deference due Rabbi Yehoshua, but they did not straighten because of the deference due Rabbi Eliezer, and they still remain leaning. Rabbi Eliezer then said to them: If the halakha is in accordance with my opinion, Heaven will prove it. A Divine Voice emerged from Heaven and said: Why are you differing with Rabbi Eliezer, as the halakha is in accordance with his opinion in every place that he expresses an opinion? Rabbi Yehoshua stood on his feet and said: It is written: “It is not in heaven” (Deuteronomy 30:12). The Gemara asks: What is the relevance of the phrase “It is not in heaven” in this context? Rabbi Yirmeya says: Since the Torah was already given at Mount Sinai, we do not regard a Divine Voice, as You already wrote at Mount Sinai, in the Torah: “After a majority to incline” (Exodus 23:2). Since the majority of Rabbis disagreed with Rabbi Eliezer’s opinion, the halakha is not ruled in accordance with his opinion. The Gemara relates: Years after, Rabbi Natan encountered Elijah the prophet and said to him: What did the Holy One, Blessed be He, do at that time, when Rabbi Yehoshua issued his declaration? Elijah said to him: The Holy One, Blessed be He, smiled and said: My children have triumphed over Me; My children have triumphed over Me. The Sages said: On that day, the Sages brought all the ritually pure items deemed pure by the ruling of Rabbi Eliezer with regard to the oven and burned them in fire, and the Sages reached a consensus in his regard and ostracized him. And the Sages said: Who will go and inform him of his ostracism? Rabbi Akiva, his beloved disciple, said to them: I will go, lest an unseemly person go and inform him in a callous and offensive manner, and he would thereby destroy the entire world. What did Rabbi Akiva do? He wore black and wrapped himself in black, as an expression of mourning and pain, and sat before Rabbi Eliezer at a distance of four cubits, which is the distance that one must maintain from an ostracized individual. Rabbi Eliezer said to him: Akiva, what is different about today from other days, that you comport yourself in this manner? Rabbi Akiva said to him: My teacher, it appears to me that your colleagues are distancing themselves from you. He employed euphemism, as actually they distanced Rabbi Eliezer from them. Rabbi Eliezer too, rent his garments and removed his shoes, as is the custom of an ostracized person, and he dropped from his seat and sat upon the ground.

They wanted to excommunicate Rebbi Meïr. He said to them, I do not listen to you unless you tell me whom one excommunicates, why one excommunicates, and how many reasons there are to excommunicate.

They wanted to excommunicate Rebbi Eliezer. They said, who will go and inform him? Rebbi Aqiba said, I shall go and inform him. He went to him and said to him, my teacher, my teacher, your colleagues are excommunicating you. He took him outside, saying: Carob tree, carob tree, if practice has to follow their words, be uprooted. It was not uprooted. If practice has to follow my words, be uprooted. It was uprooted. If practice has to follow their words, turn back. It did not turn back. If practice has to follow my words, turn back. It turned back. All these extraordinary happenings and practice do not follow Rebbi Eliezer. Rebbi Ḥanina said, when it was given, it also was given to follow the majority opinion. [Did Rebbi Eliezer not know that practice has to follow the majority opinion?] He was offended only because they burned his food prepared in purity in his presence. There we have stated: “If it was cut into strips and sand was placed between any two strips, Rebbi Eliezer declares pure but the Sages declare impure. This is the Ḥakhinai oven.” Rebbi Jeremiah said, a big itching was happening on that day: Everything on which Rebbi Eliezer gazed was burned. Not only that, but a grain of wheat might have been half burned and half not burned, and the walls of the house of assembly were weakened. Rebbi Joshua said to them, if colleagues are fighting, what does this concern you? There came an unembodied voice and said, practice follows My son Eliezer. Rebbi Joshua said, it is not in Heaven. Rebbi Crispus, Rebbi Joḥanan in the name of Rebbi: If a person would say to me, that is how Rebbi Eliezer stated, I am stating following his words since the Tannaïm switch. Once he was walking in public and he saw a woman when sweeping her house throwing it out, it fell on his head. He said, it seems that today my colleagues are befriending me, for it is written: He lifts the downtrodden from the dung heap.

Rebbi Joshua ben Levi sent for a man three times but he did not come. He sent, saying to him, if I had not ever excommunicated a person, I would have excommunicated this man since for 24 reasons one excommunicates and this is one of them: The entire property of anybody who will not come within three days following the council of ministers and Elders shall be confiscated and he shall be separated from the community of the Diaspora. Rebbi Isaac ben Rebbi Eleazar said, there are many more of these dispersed in the Mishnah. There, we have stated: “Simeon ben Shataḥ sent to him and told him, you should be excommunicated.” For if there had been a decision made as it was decided in the days of Elijah, [would you not have caused a desecration of the Name in public? And everybody who causes a public desecration of the Name must be excommunicated. There, we have stated: Rabban Gamliel sent to him, if you hinder the public you will create a future stumbling block for the public;] would not prevent the public from performing a meritorious act? And any who would hinder the public from performing a meritorious act must be excommunicated.

It was stated: Rebbi Yose said, Theudas of Rome led the people of Rome to eat helmeted kid-goat in the Passover nights. the Sages sent and said to him, if you were not Theudas, would we not put you in the ban? Who was Theudas? Rebbi Ḥananiah said, because he was providing for the rabbis. Are you not causing the public to eat sancta outside the Temple? And anybody causing the public to eat sancta outside the Temple has to be put in the ban.

There, we have stated: “Whom did they excommunicate? Eleazar ben Hannad who questioned the purity of hands.” This implies that one who questions even one of the words of the Sopherim needs excommunication. There, we have stated: “They let her drink dikma.” What is dikma? An imitation. “They excommunicated him, he died in his excommunication, and the Court stoned his coffin. To teach you that one stones the coffin of anybody dying in his excommunication.” This implies that anybody insulting an Elder, even after his death, needs to be excommunicated. In the days of Rebbi Ze`ira they were excommunicating and readmitting. (He said to them, no.) [Rebbi La said to them:] Now one excommunicates and now one readmits? They took up the matter and voted, when he changes his opinion one readmits them.