energy in motion

(e)motion

The state one feels in relation to something. Ideally it is a fluid way of experiencing things as fully as possible. If it becomes frozen and based on past incidents it is likely to lead to aberration.[3] An internal activity. [2]

a dynamic substance everything is made of.[1]

from κίνησις (kinesis); any change.

Change of place. 

Movement of the mind, desires,  passions.