How about this phrase: 'Let Pharo set you free', with the allusion being
the biblical Pharo of Exodus (except this time around he's a really good
guy).
It's definitely a conversation starter...

----- Original message -----
From: Paul Davidowitz <pdavidow@fastmail.fm>
To: pharo-users@lists.pharo.org
Subject: Re: [Pharo-users] Mugs 'n' stuff - logo and message
Date: Sun, 09 Jun 2013 19:35:44 -0400

Being that 'Pharo' is very easily confused with the Pharos of ancient
Egypt, perhaps we can capitalize on that with some catchy phrase like:
'Build your best pyramid with the beacon of Pharo'