Answer:
The answer is, One must have the capability to use that power.
Step-by-step explanation:
In order to have power in a given situation, one must have to capability to use that power in a positive way.
There are many examples in which people couldn't use the power to gain the benefits just because of the incapability to use it. For example, we can take examples from the world, there are politicians who have super powers but they don't use it wisely in making certain decisions to gain overall benefit. The misuse of power is dangerous.
So if someone has the power, he must have the capability to use it as well.