A reproduction of a calligraphy card featuring the words "Seiryoku Zenyo, Jita Kyoei" by Jigoro Kano, the founder of Judo. Seiryoku Zenyo: Using the mind and body in the most efficient way for the betterment of society. Jita Kyoei: Creating a world where both oneself and others can prosper together. This calligraphy card focuses on the themes of efficient energy use and mutual prosperity. Thank you for viewing.