07-28-2009, 05:05 PM
سلام ابتدا بگم برخي مطالب دو بار با يك عنوان پست شده و در ليست مطالب ديده ميشه.
Science is a way of trying not to fool yourself. The first principle is that you must not fool yourself, and you are the easiest person to fool. Richard Feynman