R. Austin Freeman, The Eye of Osiris — IV. Legal Complications and a Jackal (1911)
“ Bellingham reflected awhile with his eyes fixed on the empty grate. Presently he looked up, and said slowly:"I don't know why I should. It's no secret; and if it were, I hold no monopoly in it. No; tell him, if you think he'd care to hear about it.""You needn't be afraid of his talking," I said. "He is as close as an oyster; and the facts may mean more to him than to us. He may be able to give a useful hint or two.""Oh, I'm not going to pick his brains," Mr. Bellingham said quickly and with some wrath. "I'm not the sort of man who goes round cadging for free professional advice. ”
