Something has changed in Amos Keres, a university mathematics professor - his sentences trail off in class, he is disgusted by the sight of his wife and son, and he longs to flee the comfortable bourgeois life he finds himself a part of. Most difficult of all are his struggles to express what has happened to him, for a man more accustomed to numbers than words. He calls it 'the clearcut unhoped-for,' and it's avision that will drive him to madness and, eventually, death.Abstract: Something has changed in Amos Keres, a university mathematics professor - his sentences trail off in class, he is disgusted by the sight of his wife and son, and he longs to flee the comfortable bourgeois life he finds himself a part of. Most difficult of all are his struggles to express what has happened to him, for a man more accustomed to numbers than words. He calls it 'the clearcut unhoped-for,' and it's a vision that will drive him to madness and, eventually, death