According to Osho, feminine energy is called the 'darkness' principle because darkness is vast, deep, cool, restful, and meditative—the night that replenishes, shelters, and draws you inward. Woman embodies earth’s nourishing, absorbing power that quiets restlessness and restores wholeness. This “dark” complements the “light” of activity; balancing both male/light and female/dark reveals inner unity.
Like nighttime, the feminine side is quiet, deep, and comforting—it helps us rest and heal, and it works best when balanced with daytime’s busy energy.