1. From Shakespeare's "The Merchant of Venice": "All that glitters is not gold." But what did Shakespeare really write? All that glisters is not gold. All that glitters is not old. All that glitters is not Christmas tinsel. All that glitters must be gold.

2. "Water, water, everywhere, but not a drop to drink." This is a frequent misquotation of Coleridge. What is the correct line? Water, water, everywhere, nor any drop to drink. Water, water, everywhere, but nothing here to drink. Gin and tonic everywhere, I really need a drink. There is no water anywhere, and not a drop to drink.

3. "Alas! Poor Yorick. I knew him well." But the Bard didn't write that. What should it be? Alas! Poor Yorick. Horatio, I knew him well. Alas! Poor Yorick. He's really not looking too well. Alas! Poor Yorick. I knew him, Horatio. Alas, Horatio! I knew poor Yorick well.

4. "I must go down to the sea again." This is a misquote from John Masefield. What is the correct version? I must go and see a man about a dog again. I must go down and see again. I must down to the seas again. I must go back to the sea again.

5. "Lead on, Macduff". Another misquotation from Shakespeare - what did the Bard write? Keep your dog on a lead, Macduff. Lead me to Macduff. Lay on, Macduff Lead on, Macbeth.

6. A misquote from the Bible - the Authorised (King James) Version: "Pride goes before a fall". What is the correct version? Pride goeth before destruction. Pride goeth before all things. Summer comes before Fall. Pride goeth before the meek.

7. Last one from Shakespeare - "We are such stuff as dreams are made of." What did the Swan of Avon really write? We are what dreams are made of. We are such stuff as dreams are made on. Sweet dreams are made of this. We are what midsummer dreams are made of.

8. Another Biblical misquotation - "Money is the root of all evil". But what should the quote be (in the King James version)? Money corrupts, more money corrupts more. Lack of money is the root of all evil. The love of money is the root of all evil. Money is evil at the root.

9. Now, a patriotic song from the United Kingdom - "Rule, Britannia! Britannia rules the waves..." What was the original version by James Thomson? Rule, Britannia! rule the waves... Rude Britannia, she hardly ever waves... Rule, Britannia! Britannia rule the waves... Rule, Britannia, rule the slaves...

10. I hope that you have found this quiz not too difficult. But if you feel inclined to say "Elementary, my dear Watson", you would not be quoting Sir Arthur Conan Doyle. What did Conan Doyle's Sherlock Holmes say? Elementary, my dear Periodic Table. Elementary, to a man of my intelligence, dear Watson. Eventually, my dear Watson. Exactly, my dear Watson.