Mussar is a Jewish ethical, educational, and cultural movement that began in the 19th century in Eastern Europe. It focuses on personal development and spiritual growth through the study of Jewish texts, self-reflection, and the cultivation of virtues, known as middot. Practitioners aim to improve their character and enhance their relationships with others and with God. The Mussar movement emphasizes the importance of introspection and mindfulness in daily life. It encourages individuals to identify their weaknesses and work on them systematically, often through the guidance of a Mussar teacher or community. This practice aims to create a more ethical and compassionate society.