publish or perish
Produce published work or fall into disfavor. For example, The younger members of the department have a heavier teaching load, but they also know it's publish or perish.
This expression is nearly always used for college or university teachers, for whom advancement frequently is predicated on publishing research in their field. [Mid-1900s]
aspiring Hide phonetics
an aspiring actor/politician/writer, etc. someone who is trying to become a successful actor, politician, writer, etc.
(from Cambridge Advanced Learner's Dictionary)