Although it is important to study and train for skill in techniques, for the man who wishes to truly accomplish the way of budo, it is important to makehis whole life in training and therefore not aiming for skill and strength alone, but also for spiritual attainment.
Human beings are capable of virtually limitless degradation; they are also capable of virtually limitless improvement and achievement. Success depends on goals and on diligence in pursuing them.
Studying the martial Way is like climbing a cliff: keep going forward without rest. Resting is not permissible because it causes recessions to old adages of achievement. Persevering day in, day out improves techniques, but resting one day causes lapses. This must be prevented.