Author Ray Bradbury borrowed Something Wicked This Way Comes and used it as the title of a story about a creepy carnival. The original lines read:
"By the pricking of my thumb,
Something wicked this way comes."
John Steinbeck's title, The Winter of our Discontent, is from Richard III
Band of Brothers, the title of a move, began as "We few, We happy few. We band of brothers." Henry V.
And I haven't mentioned the author of the original lines I've quoted. I'm assuming the reader will know who I'm referencing--which says even more.
The title of this blog...well, it's from...