This is a theme where I work. The company looks for people that are passionate about what they do, whether it's someone like me who's passionate about process improvement and project management, or one of the developers being passionate about developing outstanding software.
The idea is that we should have this passion, but at the same time, be open to new ideas. Based on my research, this quote originated with Paul Saffo of the Institute for the Future.
As an example, while I am passionate about project management, in the last few years I've moved more toward agile project management. What are you passionate about? Are you open to new ideas in this area?