/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: RaniaAtef https://public.slidesharecdn.com/v2/images/profile-picture.png the biggest mistak you can commit against yourself , is to say "YES" or even remain silent when you had to say "NO".. don't give up your principles.. and learn when , how to say "NO"..