salam khobin .hichi onroz ke didam be jai nemiresam akhare shab ba hezar zahmat ye ketab gir avordam az rosh neveshtam fardash ostad avalin nafar be man gir dad neshon dadam khoshesh omad bad goft tozih bedam cheshmet roza bad nabine ghati kardam bad akharesham ba ostad harfam shod va naghabel majbor shodam hazf konam .reshtamam mekanike