Definition: In Greek mythology, theseus is a hero who was kidnapped by Orpheus and carried to Crete, where he fell in love with Minerva's daughter Eurydice. Theseus then embarked on a perilous journey with her, ending up at Delphi where he married her but returned to his wife Oedipus. This story reflects the idea of sacrifice and redemption from the perspective of two people who are separated by fate.