The sacred number three holds significant meaning in various mythologies, often representing stability and completeness. In many traditions, it signifies key concepts such as the trinity in Christianity, the three Fates in Greek mythology, or the three realms in Norse cosmology (the world of humans, gods, and the dead). This recurring motif underscores the importance of balance and harmony in the universe, illustrating how cultures use numeral symbolism to convey profound philosophical and spiritual ideas.