What is a good method for creating a secure password?

There are many methods people use to create secure passwords. One of the more popular methods involves acronyms. For example:

• Think of a memorable phrase, such as:
  "over the river and through the woods, to grandmother's house we go."

• Next, turn it into an acronym (including the punctuation).
  otrattw,tghwg .

• Add compl...