[428] Now at that time several rogues, amusing themselves in a pleasure garden, sent a messenger to a certain courtesan, saying: "Let her come; we shall amuse ourselves in the pleasure garden." She said: "Sirs, I do not know you—who these men are, or whose men they are. And I have many goods and many belongings, and I would have to go outside the city; I will not go." Then that messenger reported this matter to those rogues. When this was said, a certain man said to those rogues: "Sirs, why did you solicit that courtesan? Should not master Udāyi be told? Master Udāyi will send her along." When this was said, a certain lay follower (upāsaka) said to that man: "Do not say so, sir. It is not proper for ascetics, sons of the Sakyan, to do such a thing. Master Udāyi will not do such a thing." When this was said, they made a wager: "He will do it—he will not do it." Then those rogues approached the venerable Udāyi, and having approached, they said to the venerable Udāyi: "Venerable sir, while amusing ourselves here in the pleasure garden, we sent a messenger to the courtesan named so-and-so, saying, 'Let her come; we shall amuse ourselves in the pleasure garden.' She said: 'Sirs, I do not know you—who these men are, or whose men they are. And I have many goods and many belongings, and I would have to go outside the city; I will not go.' It would be good, venerable sir, if the master would send that courtesan along." Then the venerable Udāyi approached that courtesan, and having approached, he said to that courtesan: "Why do you not go to these men?" "Sir, I do not know these men—who they are, or whose men they are. And I have many goods and many belongings, and I would have to go outside the city; I will not go." "Go to these men; I know them." "If the master knows them, venerable sir, I will go." Then those rogues took that courtesan and went to the pleasure garden. Then that lay follower criticized, complained, and spread it about, saying: "How can master Udāyi engage in acting as a go-between even for a momentary liaison?" Bhikkhus heard that lay follower criticizing, complaining, and spreading it about. Those bhikkhus who were of few wishes … criticized, complained, and spread it about, saying: "How can the venerable Udāyi engage in acting as a go-between even for a momentary liaison?" Then those bhikkhus reported this matter to the Blessed One. Then the Blessed One, on that occasion, in that connection, having had the Saṅgha of bhikkhus convened, questioned the venerable Udāyi: "Is it true, as they say, Udāyi, that you engage in acting as a go-between even for a momentary liaison?" "It is true, Blessed One." The Buddha, the Blessed One, rebuked him: "It is unbecoming, foolish man, unsuitable … How can you, foolish man, engage in acting as a go-between even for a momentary liaison? This, foolish man, is not for the arousing of confidence in those without confidence … And thus, bhikkhus, you should recite this training rule: Whatever bhikkhu should engage in acting as a go-between—conveying a man's intention to a woman, or a woman's intention to a man—whether for the state of a wife or for the state of a mistress, even if only for a momentary liaison, commits a saṅghādisesa."
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.