“Know thyself! From this Socratic precept engraved on the pediment of the temple at Delphi, we learn that self-knowledge is the basis of wisdom.
Individual and collective self-awareness as a catalyst for learning and development
Beliefs are a psychological phenomenon in which individuals hold conscious or subconscious hypotheses or judgments about the world, themselves, others, and their future. These beliefs may or may not be accurate. For example, some people might believe that their job skills are inadequate even though they do good work.
https://www.intentionalcommunication.com/the-power-of-beliefs-at-work/