Spanish: Si Comiste O No Comiste, Tú A La Mesa Estuviste.
Literal Meaning: Whether or not you ate, you were at the table.
Meaning: Take responsibility for your part.
Pedro le echa toda la culpa a su ex esposa por su divorcio, pero yo le digo: Si comiste o no comiste, tú a la mesa estuviste. (Pedro blames his ex–wife for their divorce, but I tell him: Whether or not you ate, you were at the table. In other words, it takes two to tango.)