Make the impossible possible, the possible easy, the easy elegant.

No matter how closely we look, it is difficult to find a mental act that can take place without the support of some physical function.

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.

Ultimately, we become aware of most of what is going on within us mainly through the muscles.

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

What you truly learn best will appear to you later as your own discovery.

A brain without a body could not think.