Is this a trivial extension of
Current restrictions are "Do not quote from Less Wrong itself, Overcoming Bias, or HPMoR."
to include SI/MIRI stuff or a new commandment?
I think that the purpose of the current instruction is to refrain from quoting ourselves and each other. So I'd see it as a trivial extension to understand that Eliezer and other well-known members of the community should not be used for a source for quotes.
Here's another installment of rationality quotes. The usual rules apply: