The idiomatic expression "to stop learning" means to cease acquiring new knowledge or skills, and no longer seek out opportunities for education or self-improvement. Full definition
As a result, top property management companies make sure their leaders never stop learning about the industry, from trends to regulatory changes. (smallbusiness.chron.com)
A student doesn't stop learning when the afternoon bell rings — learning happens through activities, interactions, and experiences throughout a student's day. (educationvoters.org)
In others words, to never stop learning about themselves, their profession, and the communities they serve. (ucea.org)