about eight o'clock
cried Lestrade . `` If he answers that we 've got him ! '' `` That was my idea when I put it in . I think if you could both make it convenient to come with us about eight o'clock to Caulfield Gardens we might possibly get a little nearer to a solution . '' One of the most remarkable characteristics of Sherlock Holmes was his power of throwing his brain out of action and switching all his thoughts on to lighter things whenever he had convinced himself that he could no longer work to advantage . I remember that during the whole of that memorable day he lost himself in a monograph which he had undertaken upon the Polyphonic Motets of Lassus . For my own part I had none of this power of detachment , and the day , in consequence , appeared to be interminable .