In order to recognize small changes in effort, the effort itself must first be reduced. More delicate and improved control of movement is possible only through the increase of sensitivity, through a greater ability to sense differences.

If I hold a twenty pound weight, I cannot detect a fly landing on it because the least detectable difference in the stimulus is half a pound. On the other hand, if i hold a feather, a fly landing on it makes a great difference. Obviously then, in order to be able to tell the differences in exertion one must first reduce the exertion. Finer and finer performance is possible only if the sensitivity, that is, the ability to feel the difference is improved.

Nothing is permanent about our behavior patterns except our belief that they are so.

People confound, misuse, interchange thinking and speaking, not realizing that speaking is for communication and thinking is for action.

Learning to inhibit unwanted contractions of muscles that function without, or in spite of, our will, is the main task in coordinated action.

Find your true weakness and surrender to it. Therein lies the path to genius. Most people spend their lives using their strengths to overcome or cover up their weaknesses. Those few who use their strengths to incorporate their weaknesses, who don't divide themselves, those people are very rare. In any generation there are a few and they lead their generation.

I believe that the unity of mind and body is an objective reality. They are not just parts somehow related to each other, but an inseparable whole while functioning. A brain without a body could not think.