Glossary of Judo terminology
Ju yoku go wo seisu (Softness subdues hardness)
"Softness subdues Hardness" is a famous phrase taken from the ancient Chinese classics (Lao Tzu's "Three Strategies"), and its meaning is that flexibility overcomes rigidity.
The Waza of Judo enable a smaller combatant to utilize the opponent's own power to throw him in spectacular fashion. Such a display is often expressed using the "Softness subdues Hardness" phrase.