Knowledge is a unique kind of property, indeed: you can share it with others, while still possessing it.
Wherever you work, work hard and educate yourself continuously. You must never forget social welfare, ethics and honesty. However, there is no guarantee for your career progression. Therefore, don't expect that only the best people will be promoted.
There is no higher priority for those who chose a university career than acting in the students’ best interest. That’s because students are the core of the university.