“The enrichment center would like to announce a new employee initiative of forced voluntary participation. If any Aperture Science employee would like to opt out of this new voluntary testing program, please remember; science rhymes with compliance. Do you know what doesn't rhyme with compliance? Neurotoxin.” PortalPortal 2GladosLab RatPortal Quotes Book:Portal 2: Lab Rat Source: Portal 2: Lab Rat