Talmud for Taanit 54:15
למ"ד דולג לידלוג ולמאן דאמר פוסק ליפסוק שאני התם
Rab who says that the third verse is repeated why does he not agree that it is divided? - He is of the opinion that any verse which Moses did not divide, we may not divide. And as for Samuel who says that it is divided, may it then be divided? Did not R'Hanina, the Bible teacher, declare, I endeavoured hard to get permission from R'Hanina the elder to divide a verse into two and he would permit me only in the case of teaching children, because it is merely for teaching practice! - To this Samuel can reply: There [in the case of school children] the reason why [R'Hanina permitted the verse to be divided] was because it is not possible [for them to read the whole verse at one stretch], here too it is not possible. And as for Samuel who said, 'It is divided', why should he not agree that it be repeated? - In order to prevent any misunderstanding on the part of those who may enter or leave [the synagogue].<span class="x" onmousemove="('comment',' Those coming in when the second person reads verse three might conclude that the first person read two verses only; similarly those leaving the synagogue when the first person reads verse three might conclude that the second person will read two verses only.');"><sup>13</sup></span> An objection was raised: [A section of] six verses is read by two, but [a section of] five verses by one; should, however, the first person have read three verses then the second person reads the [remaining] two and one verse from the following section; some say, he reads three verses [from the following section] because we do not read from a [new] section less than three verses. Now in accordance with the view of him who says that it should be repeated,let then [the third verse of the first section] be repeated; and in accordance with the view of him who says that it should be divided, let the verse be divided? - There the position is different