"Behave like an intelligent confidential secretary. Observe everything, without seeming to. Say nothing—nothing that means anything. Be present at all interviews. I may ask a good deal of you, for if my impressions are correct this is
"He broke off suddenly.
"But I won't tell you my impressions yet," he resumed after a moment's thought. "Just watch and listen as the case proceeds. Form your own impressions and cultivate your intuitions. We come as ordinary visitors, of course," he added, a twinkle showing for an instant in his eye; "hence, the guns."
Though disappointed not to hear more, I recognised the wisdom of his words and knew how valueless my impressions would be once the powerful suggestion of having heard his own lay behind them. I likewise reflected that intuition joined to a sense of humour was of more use to a man than double the quantity of mere "brains," as such.
Before putting the letter away, however, he handed it back, telling me to place it against my forehead for a few moments and then describe any pictures that came spontaneously into my mind.
"Don't deliberately look for anything. Just imagine you see the inside of the eyelid, and wait for pictures that rise against its dark screen."
I followed his instructions, making my mind as nearly a blank as possible. But no visions came. I saw nothing but the lines of light that pass to and fro like the changes of a kaleidoscope across the blackness. A momentary sensation of warmth came and went curiously.
"You see—what?" he asked presently.
"Nothing," I was obliged to admit disappointedly;