Whene’er a man is quartered at a friend’s, if he but stay three days, his company they will grow weary of. (translator Thornton)
Hospes nullus tam in amici hospitium divorti potest, quin, ubi triduum continuum fuerit, jam odiosis siet.
Original text (Latin)
Variants
No guest is so welcome in a friend's house that he will not become a nuisance after three days. (translator unknown)