'But I was so excited when he brought you back that I did not see which was the proper slot for the return. Did you notice it?'
'I may have noticed it, young Malone, but I do not burden my mind with small details. There are many slots and we do not know their purpose. We may make the matter worse if we experiment with the unknown. Perhaps it is better to leave matters as they are.'
'And you would-'
'Exactly. It is better so. The interesting personality of Mr. Theodore Nemor has distributed itself throughout the cosmos, his machine is worthless, and a certain foreign Government has been deprived of knowledge by which much harm might have been wrought. Not a bad morning's work, young Malone. Your rag will no doubt have an interesting column upon the inexplicable disappearance of a Latvian inventor shortly after the visit of its own special correspondent. I have enjoyed the experience. These are the lighter moments which come to brighten the dull routine of study. But life has its duties as well as its pleasures, a
nd I now return to the Italian Mazotti and his preposterous views upon the larval development of the tropical termites.'
Looking back, it seemed to me that a slight oleaginous mist was still hovering round the chair. 'But surely –' I urged.
'The first duty of the law-abiding citizen is to prevent murder,' said Professor Challenger. 'I have done so. Enough, Malone, enough! The theme will not bear discussion. It has already disengaged my thoughts too long from matters of more importance.'