Coitus is random, children are definite.

“Coitus Interruptus!” I screamed.  “Stop and put your hands where I can see them.”

— Christine Zolendz

“The sexual act of coitus and the body parts employed for it are so repulsive that, if it were not for the beauty of…

— Walter Isaacson

“Private moments held not a candle to coitus, not even the expensive kind of candle that made the whole room smell of far off…

— Thomm Quackenbush

“Is my coitus whimsically inventive?”

— Chuck Lorre

“Serious reading is hardly a social activity and every halfway serious reader is perpetually subject to a form of coitus interruptus. Family members or…

— Tom Robbins

“Did you learn anything, at least?" "I learned that Rey'azikeen is just as good at coitus as his alter ego.”

— Darynda Jones

“Whether you studied sexology or not, nobody will teach you how to screw, nobody will point to your vagina and say, hey that's where…

— Michael Bassey Johnson

“Thinking about the bed leaves you horny, but thinking beyond the bed gives you honor, freedom and wisdom.”

— Michael Bassey Johnson

“Holy Mother we do believe, That without sin Thou didst conceive; May we now in Thee believing, Also sin without conceiving.”

— A. P. Herbert

Nowadays, one of the churches of Tlön maintains platonically that such and such a pain, such and such a greenish-yellow colour, such and such…

— Jorge Luis Borges

“These notes, however they may be read, are intended only as a painstaking affectionate commentary on a world into which I have been born…

— Lawrence Durrell

Coitus can scarcely be said to take place in a vacuum; although of itself it appears a biological and physical activity, it is set…

— Kate Millett

“When you've committed yourself to violence it takes an almost inhuman effort to stop short. It's one of those things that once you've started…

— Mark Lawrence

“who wants to make it grand or fortify it for the coitus, must rub it before copulation with tepid water, until it gets red…

— Nigel Cliff

Sex is not a mechanical act that fails for lack of technique, and it is not a performance by the male for the audience…

— Garrison Keillor