/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: andrelanza77 https://cdn.slidesharecdn.com/profile-photo-andrelanza77-48x48.jpg?cb=1573930477 " 'I—I hardly know, Sir, just at present—at least I know who I was when I got up this morning, but I think I must have changed several times since then.' ''What do you mean by that? said the Caterpillar, sternly. “Explain yourself!' 'I can’t explain myself, I’m afraid, Sir,' " Lewis Carroll