The fighter is to be always single-minded with one object in view: to fight, looking neither backward nor sidewise. To go straight forward in order to crush the enemy is all that is necessary for him.
D.T. SuzukiZen purposes to discipline the mind itself, to make it its own master, through an insight into its proper nature. This getting into the real nature of one's own mind or soul is the fundamental object of Zen Buddhism. Zen, therefore, is more than meditation and Dhyana in its ordinary sense. The discipline of Zen consists in opening the mental eye in order to look into the very reason of existence.
D.T. SuzukiWhen traveling is made too easy and comfortable, its spiritual meaning is lost. This may be called sentimentalism, but a certain sense of loneliness engendered by traveling leads one to reflect upon the meaning of life, for life is after all a travelling from one unknown to another unknown.
D.T. Suzuki