Nedarim

MISHNAH. IT IS THE PRACTICE OF SCHOLARS,  BEFORE THE DAUGHTER OF ONE OF THEM DEPARTS FROM HIM FOR NISSU'IN], TO DECLARE TO HER, 'ALL THE VOWS WHICH THOU DIDST VOW IN MY HOUSE ARE ANNULLED'. LIKEWISE THE HUSBAND, BEFORE SHE ENTERS INTO HIS CONTROL [FOR NISSU'IN] WOULD SAY TO HER, 'ALL VOWS WHICH THOU DIDST VOW BEFORE THOU ENTERST INTO MY CONTROL ARE ANNULLED'; BECAUSE ONCE SHE ENTERS INTO HIS CONTROL HE CANNOT ANNUL THEM. GEMARA. Rami b. Hama propounded: Can a husband annul [a vow] without hearing [it]:  is, and her husband heard it,  expressly stated,  or not — Said Raba: Come and hear: IT IS THE PRACTICE OF SCHOLARS, BEFORE THE DAUGHTER OF ONE OF THEM DEPARTS FROM HIM, TO DECLARE TO HER, 'ALL THE VOWS WHICH THOU DIDST VOW IN MY HOUSE ARE ANNULLED'. But he did not hear them!  — Only when he hears them does he annul them. If so, why make a declaration before he hears?  — He [the Tanna] informs us this: that it is the practice of scholars to go over such matters.  Come and hear, from the second clause: LIKEWISE THE HUSBAND, BEFORE SHE ENTERS INTO HIS CONTROL, WOULD SAY TO HER [etc.]! — Here too it means that he said, 'When I hear them.' Come and hear: If one says to his wife, 'All vows which thou mayest vow until I return from such and such a place are confirmed,' his statement is valueless;  [If he said] 'Behold, they are annulled,' R. Eliezer ruled: They are annulled. But he has not heard them!  — Here too [it means] that he said, 'When I hear them.' Why then state it now? Let him disallow her when he hears it? — He fears, I may then be busily occupied. Come and hear: If one says to a guardian,  'Annul all the vows which my wife may make between now and my return from such and such a place', and he does so: I might think that they are void, therefore Scripture teaches, her husband may establish it, or her husband may make it void.  This is the view of R. Josiah. Said R. Jonathan to him: But we find in the whole Torah that a man's agent is as himself!  Now, even R. Josiah ruled thus only because it is a Scriptural decree, 'her husband may establish it, or her husband may make it void': but both agree that a man's agent is as himself;  but he [the husband] did not hear the vows!