Siman 453

(10.) He said: "As you see me — I mean to say that certainly you hold me to be a complete tzaddik — even so, if I were to transgress, G-d forbid, even the greatest transgression — even so the transgression would not cast me down at all. Rather I would be after the transgression a proper man just as before. Only I would then do repentance." [in Yiddish: "hot viya ir zeht mich — ich zol chas vesholom over zain die greste avayrah, volt dos mich gor nit arop givorfn, ich volt noch dem givezn azoi ain erlicher Yid viy frir, der noch va..."]