"Power" is His inherent attribute, the sign of God's accomplishments, the fullness of His Justice, Sovereignty, His Power, Omnipotence, Authority.

 "Power" of God is the might of the unchangeable realization, the eternal manifestation of the Will of God, - the fulfillment of His firmly established, gracious Laws, Covenants, sacred Commandments, which are for the man who follows them a protection against the commission of sin.       

"Power" of God is the might, the constancy of the fulfillment of His inescapable Laws, Statutes, Ordinances, Promises, manifested in the visible and invisible, comprehensible and incomprehensible to man.

"The Power" of Christ is the inevitability of the operation of the truthfulness of His Doctrine of God's Will and the Truth of His holy life, which inevitably destroys and defeats opposition to God and delivers the nations who fulfill it from the bondage of sin.

The power of man is his God-given reason, will, and various creative abilities, applying which to follow God's Commandments, man is able to make the most important changes in his life, i.e. to gain righteousness leading to Eternal Life.    

Man's strength lies in his strong faith in the Word of God's Will, which moves man to accomplish righteous deeds.

Negative Meaning.

The power of a wicked man is the use of all his abilities: reason, willpower and various experiences to achieve sinful, lawless goals, to commit evil deeds, to satisfy the sinful demands of the flesh.

Translated with DeepL.com (free version)