Anton Chekhov

“ When the young people had exchanged kisses they heard a sudden burst of laughter. They looked at the river in stupefaction; before them, up to his waist in water, stood a naked boy : it was Kolia, Anna's school-boy brother ! He stood there smiling maliciously with his eyes fixed on the young people.
"Aha! You're kissing one another, are you? All right, I'll tell mamma ! "
"I hope that, as an honourable boy— " faltered Lapkin, blushing. "To spy on us is mean, but to sneak is low, base, vile. ”