Phava is great!
But, quine-relay still wins: https://github.com/mame/quine-relay
That was pretty much THE thing that won my respect for the Ruby community.
https://github.com/mame/quine-relay/blob/master/thumbnail.pn...
That and the radiation-hardened quine:
https://github.com/mame/radiation-hardened-quine
Prior to seeing those, I was kind of dismissive of Ruby, but seeing those totally changed my mindset about code, and my prevailing opinion of execution environments and interpretted languages and scripting in general.