A good Judoka never anticipates his action in a match, but his mind is as clever as a polished mirror which enables him to foresee precisely anything to happen and he displays freedom of his physique to cope with any change. Such mental state and physical action are called sei or tranquility and do or action, sometimes they are called ju and go or tenderness and sturdiness, in and yo or negative and positive, etc.

Cause your opponent to repent, then let him fall

True spirit of Judo is nothing but the gentle and diligent free spirit. Judo rests on flexible action of mind and body. The word flexible however never means weakness but something more like adaptability and openmindedness. Gentleness always overcomes strength.

A chance to try your technique is in one instant never to be regained, so try it without hesitation.

Do not place hope in finding a secret technique. Polish the mind through ceaseless training; that is the key to effective techniques.

There are no shortcuts because there is no end

"Ju" means being natural or in other words the way which is natural and in accords with the truth of the universe and the one that human beings have to follow. Also, "Ju" may mean anything reasonable, just and honorable, accordingly noble: namely the realization of Truth , Good and Beauty.