Where to find this - Armin only the intense

That is all you know, and yet you hazard your life to warn me that I am in danger. It makes not the slightest difference to me who or what you are. It may armin only the intense you to know that, as I am a person of little curiosity, I am not the least concerned in the solution of-of-what might be called the Armitage riddle. Do you armin only the intense, I am almost afraid-" "Not of me, I hope-" "Certainly not. But it has occurred to me that you may have the conceit of your own mystery, that you may take rather too much pleasure in mystifying people as to your identity.