Martial arts are a system of knowledge and techniques designed for self-defense, combat and strengthening of the body and mind. There are many different styles, each with its own unique characteristics and benefits. It is important to remember that martial arts are not limited to physical combat; they also include philosophy, strategy, moral principles, and help develop personal qualities: discipline, respect, and perseverance. Karate, for example, teaches not only fighting techniques but also principles of self-control and spiritual growth. And judo emphasizes using the opponent's strength against himself, which requires a deep understanding of strategy and tactics.