Everything and every one was the cause of his suffering, except himself.

The result was that he weakened his brain by the constant willful and enforced strain, so that what little health he regained was the result of Nature's steady and powerful tendency toward health, and in spite of the man himself.
The other man--to give a practical instance--returned from a journey taken in order to regain the strength which he had lost from not knowing how to work.

His business agent met him at the railroad station with a piece of very bad news.

Instead of being frightened and resisting and contracting in every nerve of his body, he took it at once as an opportunity to drop resistance.

He had learned to relax his body, and by doing relaxing and quieting exercises over and over he had given himself a brain impression of quiet and "let go" which he could recall at will.