Ask HN: Let's share our favorite mnemonics (Even better if it's created by you)

Please give a brief description.

Here is one of my own, just to set the ball rolling.

"A Pretty Girl Is Running And Smoking."

It's the six ways to aid the creation of long-term memories.

-- Apply the knowledge/information as much/often as you can

-- turn abstract concepts into Physical object

-- Group items into big chunks/categories

-- create Images

-- discover Relationships between things

-- make things Active, preferably some crazy/surprising Actions

-- invent emotional Stories that contain the things you want to remember