Three o'clock
The way is just to keep on . ' My mentor was in a seriously practical vein on this Saturday night ; partly perhaps because , as the event proved , he was within four days of one of his periodical disappearances . In the early afternoon of Sunday I set out upon the visit I had originally intended to pay on the previous day . Three o'clock found me rather nervously ringing a bell at the door of Filson House in Macquarie Street . Under the brightly polished bell-pull was the name C. F. Rawlence , and the legend : ` Do not ring unless an answer is required . ' It was my first experience of such a notice , and I felt uncertain how it was intended to apply . Neither for the moment could I understand why in the world any sane person should ring a bell unless desirous of eliciting a response of some kind .