Riddle Me This - Can You Answer These Classic Riddles?

A Ted Roosevelt favourite: 'I talk - but I do not speak my mind, I hear words - but I do not listen to thoughts, when I wake - all see me, when I sleep - all hear me, many heads are on my shoulders, many hands are at my feet, the strongest steel cannot break my visage, but the softest whisper can destroy me, the quietest whimper can be heard.' What am I?

In James Joyce's Ulysses, Stephen Dedalus poses a riddle to his pupils, 'The cock crew, the sky was blue, the bells in heaven, were striking eleven. ''Tis time for this poor soul to go to heaven''.' What is the answer he gives?

From The Hobbit, 'This thing all things devours; birds, beasts, trees, flowers; gnaws iron, bites steel; grinds hard stones to meal; slays king, ruins town, and beats mountain down.'

You'll know this from Die Hard with a Vengeance: 'As I was going to St.Ives, I met a man with seven wives, each wife had seven sacks, each sack had seven cats, each cat had seven kittens. Kits, cats, sacks, and wives.' How many where there going to St.Ives?

A riddle from Harry Potter, 'First think of the person who lives in disguise, who deals in secrets and tells naught but lies. Next, tell me what's always the last thing to mend, the middle of middle and end of the end? And finally give me the sound often heard, during the search for a hard-to-find-word. Now string them together and answer this, which creature would you be unwilling to kiss?'

From the Inside Man, 'What weighs more: all the trains that pass through Grand Central Station in a day, or all the trees cut down in a year to print U.S. currency?'

In The Hobbit, Gollum asks: 'Voiceless it cries, wingless flutters, toothless bites, mouthless mutters.' What is it?