Lecture IV

You know the devastating effect of illnesses of the kind which befell someone I once knew well. He held a post of considerable authority but one day he left his home and family, went to the railway station and took a ticket for a far distant place, having suddenly forgotten everything about his life hitherto—his intellect was in order but his memory was completely clouded. When he arrived at his first destination he took another ticket, travelling in this way through Germany, Austria, Hungary, Galicia, and finally, when his memory came back to him, he found himself in an asylum for the homeless in Berlin.