Go to Uri Granta’s answer to Why can’t I use some basic emotional marks and emoji on Quora?
Open Suggest Edits.
Discover that emojis, and Plane 1 characters, ARE INDEED SUPPORTED BY QUORA, via its unicode macro. [math]unicode{x1F60E} unicode{x1F631} [/math]
And if you do start using emojis, don’t be surprised if people start reporting you for bad formatting.