23
01
12
pourquoi pas moi?
Also called the Percontation Point and the Irony Mark, this one’s used to indicate that there’s another layer of meaning in a sentence. Usually a sarcastic or ironic one.
So it is essentially a tool for smart people to use to make stupid people feel even stupider. Which makes it the best punctuation mark of all.
via buzzfeed.com

Whereof one cannot speak, thereof one must be silent.Ludwig Wittgenstein
Stereotypes are cognitive shortcuts.Peter Garrett
http://www.cosy.sbg.ac.at/~held/teaching/seminar/phrases.html