We cannot see the starlight waves while the sun's great light is shining upon us; but you know how beautifully they shine on clear nights, when there is neither sunlight nor moonlight to quench their soft beams.
— from Twilight and Dawn; Or, Simple Talks on the Six Days of Creation by Caroline Pridham

I do it the first thing when I wake up, because you know how dreams slip out of a person's mind.
— from Four and Twenty Beds by Nancy Casteel Vogel

You abused that man unmercifully, because you knew his evidence was not valid against you!” said the gentleman, turning to the jailer, and giving him the particulars of what he saw in the “corner-shop,” and what cruelties he had seen practised by Dunn on former occasions.
— from Manuel Pereira; Or, The Sovereign Rule of South Carolina by F. Colburn (Francis Colburn) Adams

Yes, you painters do not understand, but you know how to see.
— from The Blue Duchess by Paul Bourget

What then, lady?” “George,” said Angelina McLaurin, and the tear-jewels shone in her eyes, “don't think me unwomanly, but you know how I am fixed;—father and mother both dead!
— from Sandburrs by Alfred Henry Lewis

I must thoroughly examine you and tell by the look of your penis' (that is the word I think he used, but you know he meant my cock), as he ordered me to unbutton and show him my privates, and he would soon tell if I had been up to any of the Devil's wickedness.
— from The Power of Mesmerism A Highly Erotic Narrative of Voluptuous Facts and Fancies by Anonymous

"I'd like to please you in this matter, Bob, if I could," said his uncle, "but you know how things are this year.
— from Hidden Treasure: The Story of a Chore Boy Who Made the Old Farm Pay by John Thomas Simpson

Well, Uncle Wiggily hopped up, but you know how it is with rabbits.
— from Uncle Wiggily's Travels by Howard Roger Garis