His troubles will perhaps appear miserably sordid, and beneath the attention of lofty persons who can know nothing of debt except on a magnificent scale.
— from Middlemarch by George Eliot

Lady Glenmore, who had sat silent hitherto, [257] now conceived herself obliged to speak, and replied, "that she knew nothing of diplomacy, except the name; that every thing of the kind always made her yawn, and she hoped she should never have to copy any letters of business for any body."
— from The Exclusives (vol. 2 of 3) by Bury, Charlotte Campbell, Lady

The daylight is still abroad upon the distant hill-tops, but the twilight has fallen like an inaudible hush upon Southbourne, and the farmyards are tranquil, save when, now and again, some uncomfortable hen seeking a resting-place near to her sovereign cock hops for his perch, but in hopping falls and awakens the sleepers with her fluttering scrambles and keen notes of distress, echoed by a hundred wondering throats.
— from John Holdsworth, Chief Mate by William Clark Russell

Before last week I knew nothing of Danville, except that his arrest on suspicion by Robespierre’s order was, as events turned out, the saving of his life.
— from After Dark by Wilkie Collins

“I know nothing of diamond eyes,” I replied, surprised at Paul’s excited inquiry.
— from Whoso Findeth a Wife by William Le Queux

275 With the exception of mysteries, spiritual moralities, and burlesque representations of religious ceremonies, the Spanish nation, at this time, knew nothing of dramatic entertainments.
— from History of Spanish and Portuguese Literature (Vol 1 of 2) by Friedrich Bouterwek