He is wearing his spectacles all the time as he goes searching for them throughout the entire house. Now and then he says to himself with satisfaction: How fortunate I am to be able to see everything so clearly today. This should make it easier to find my spectacles. Sometimes, in the middle of searching, he begins to think to himself: I can see so well today that I might not need my spectacles for reading any more. He only realizes that he has been wearing his spectacles all the time when he adjusts them to read before going to sleep. He feels so bitterly disappointed: No wonder I thought I did not need my spectacles any more.