What does the sentence Nothing without Theseus mean?

The phrase "Nothing without Theseus" suggests that something is incomplete or lacks significance without the presence or influence of a pivotal figure, represented here by Theseus. In Greek mythology, Theseus is a hero known for his adventures and leadership, symbolizing strength and guidance. Thus, the expression implies that certain achievements or identities depend on the contributions or essence of a key individual. It can also reflect themes of existential importance and the interconnectedness of people and their roles in achieving meaning.