The mind, if slackened even a little, will cause defeat, the same as fearing the opponent will make you unable to use full strength.

There are no shortcuts because there is no end

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.

Cause your opponent to repent, then let him fall

To master an actual technique, mental culture should come first. Acquiring a technique requires a careful, modest, non-mean, free and attentive mind. In other words a player should do his utmost and nothing less.

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

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.