I found this website with audio files of speeches by Winston Churchill Winston Churchill Speeches from WWII when I hit their back button it also had a list of other links including one to WWII news broadcasts.
I had a chance to buy his book set in hardcover years ago From a used bookstore and I didnt snatch it... i regret it
Here are a number of quotes by him, if you want to look beyond the first three pages you have to register, but I think it's worth it Winston Churchill quotes