Use of Energy for Good in Judo — 精力善用 (Seiryoku-Zenyō)

This Japanese calligraphy scroll features the timeless phrase 精力善用 (Seiryoku-Zenyō) — translated as "Maximum Efficient Use of Energy". It is one of the two core principles of Judo, alongside 自他共栄 (Jita-Kyōei, "Mutual Welfare and Benefit"), both established by Judo’s founder, Jigoro Kano (嘉納治五郎).

精力善用 teaches that our physical and mental energy should not only be used with efficiency and precision, but with purpose — for the betterment of others and society as a whole. True strength, according to this principle, lies not in domination, but in contribution: in applying our full capabilities to build peace, support others, and improve our communities.

In Judo and beyond, 精力善用 reminds us to:
・Use our energy wisely, not wastefully.
・Channel our strength into actions that benefit those around us.
・Devote ourselves to improving both ourselves and the world through meaningful effort.

精力 (Seiryoku) — Energy, both physical and mental
善用 (Zenyō) — Good and purposeful use

For practitioners of Judo around the world, this principle is not only about efficiency — it is about responsibility. To use one’s energy in ways that uphold respect, cooperation, and human development.

Displaying this scroll in your dojo, home, or office serves as a daily reminder: Use your power not just for yourself, but in service of others — that is the true path of Judo.