Perhaps there is no such thing as unilateral power. After all, the man in power depends on receiving information all the time from outside. He responds to that information just as much as he causes things to happen.. It is an interaction, and not a lineal situation.
If we pursue this matter further, we shall be told that the stable object is unchanging under the impact or stress of some particular external or internal variable or, perhaps, that it resists the passage of time.
To think straight, it is advisable to expect all qualities and attributes, adjectives, and so on to refer to at least two sets of interactions in time.