/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: zarafas https://public.slidesharecdn.com/v2/images/profile-picture.png "We need to set up a demarcation line... but very hard to tell where." Lawrence Block ���Two things fill the mind with ever new and increasing admiration and awe, the more often and steadily reflection is occupied with them: the starry heaven above me and the moral law within me.��� Imanuelle Kant, Critique of Practical Reason