All I Know Is That I Must Kill is Image of a Russian OMSN MVD RF servicemember wearing a Maska SCh1 helmet. It is most common used either sincerely or ironically about gamers and their attitudes to games, particularly first-person shooters. It is used in a similar capacity to the Stealth is optional for this mission meme and is related to the Lord Tachanka meme as they both a similar look by wearing the Maska SCh1 helmet.
In Terry Pratchett's wonderfully witty Discworld novel, Going Postal, the topic of pi comes up in a rather humorous and characteristically Pratchettian way.
The newly appointed Postmaster General, Moist von Lipwig, encounters a rather eccentric inventor named Bloody Stupid Johnson. Bloody Stupid Johnson is known for his, well, stupidly brilliant inventions. One of these inventions is a new kind of postal sorting engine.
When discussing the design of a wheel for this engine, Bloody Stupid Johnson proudly states that he designed it so that pi is exactly three.
