An attendee at the 2010 Rally to Restore Sanity and/or Fear wearing a T-shirt implicitly referencing Godwin's Law: "I disagree with you but I'm pretty sure you're not Hitler." Godwin's law (or Godwin's rule), short for Godwin's law of Nazi analogies,[1] is an Internet adage asserting: "As an online discussion grows longer, the probability of a comparison involving Nazis or Hitler approaches 1."[2]
![Godwin's law - Wikipedia](https://cdn-ak-scissors.b.st-hatena.com/image/square/02c66e807806d0e708d1cab734e7c7773c560039/height=288;version=1;width=512/https%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2Fthumb%2Fc%2Fcc%2FGodwin%2527s_law_t-shirt_at_Rally_to_restore_sanity%252C_2010.jpg%2F1200px-Godwin%2527s_law_t-shirt_at_Rally_to_restore_sanity%252C_2010.jpg)