One God: One Divine Action and Will
Since the being of the Holy Trinity is one, whatever the Father wills, the Son and the Holy Spirit will also. What the Father does, the Son and the Holy Spirit do also. There is no will and no action of God the Father which is not at the same time the will and action of the Son and the Holy Spirit.
In Himself, in eternity, as well as towards the world in creation, revelation, incarnation, redemption, sanctification, and glorification—the will and action of the Trinity are one: from the divine Father, through the divine Son, in the divine Holy Spirit. Every action of God is the action of the Three. No one person of the Trinity acts independently of or in isolation from the others. The action of each is the action of all; the action of all is the action of each. And the divine action is essentially one.