Quotation:

"Marriage is a chain so heavy that it takes two people to carry it - sometimes three."

Origin: Les chaînes du mariage sont si lourdes qu'il faut être deux pour les porter; quelquefois trois.

Variously attributed to Alexandre Dumas and his son Alexandre Dumas 19th-century French writers

chain (noun): a series of connected metal links (used, for example, for pulling heavy objects or confining prisoners)