“The sexual act of coitus and the body parts employed for it are so repulsive that, if it were not for the beauty of the faces and the adornment of the actors and the pent-up impulse, nature would lose the… — Walter Isaacson Copy Share Image
The art of procreation and the members employed therein are so repulsive, that if it were not for the beauty of the faces and the adornments of the actors and the pent-up impulse, nature would lose the human species. — Leonardo da Vinci Copy Share Image
