So the father knew that it was at that hour in which Jesus said to him, "Your son lives." He believed, as did his whole house.
"it is reported concerning R. Chanina ben Dosa, that when he prayed for the sick, he used to say, זה חי, "this liveth", and this dies; it was said to him, whence knowest thou this? he replied, if my prayer be ready in my mouth, I know that he is accepted (of God, i.e. the sick man for whom he prayed); but if not, I know that he will be snatched away (by the disease):''