It would be

difficult to exaggerate the importance of 'mokuso'. You may not appreciate it at first but you will soon feel the benefits if you practise it every day. It is the moments of complete blankness, of being empty of all thoughts, that enable you to cultivate the sixth sense that men have to such a large extent forfeited in return for intellectual development. It was precisely this sixth sense that enabled the mediaeval 'samurai' to fight in pitch darkness or anticipate the most cleverly concealed ambush.