God is the Creator and Origin of all. Leaving out of address the Problem of Evil, there is nothing good which does not issue from him.
That stated, God does have the power to create something which is both new and good, a good which is not in himself. That is an implication of the extent to which he is the Creator.
I would point to the material, physical world as a prime example of this. We are created as carnal creatures, and that is good. It is a gift given to us, and any spirituality which shuns or disdains the physical is a lie.
The physical, though, was wholly created. In history, after the Creation in Eden, God the Son became incarnate by the virgin Mary, but now (God the Father and God the Holy Spirit) and then in the three persons of God, God (was) an aphysical spirit.
When I speak of God as being masculine and not feminine, I am not asserting that femininity is an evil characteristic, or unreal, or something else of that order. Femininity was created as good. I am simply speaking of God as being masculine and not feminine.
I think that the Chinese concept of Yin and Yang (although not perfect for this purpose — look far enough in writings, and you will find lots of weird mysticism that wanders from truth) is capable of illuminating the matter a great deal. (I will, rather than refute, simply leave out what is inconsistent with Christian teaching)
First of all, the thought of Yin and Yang is greatly present. Something highly similar is embodied in that the structure of most languages intrinsically speaks of masculine and feminine; if I were writing this in French, at least half of the words would be masculine or feminine. It is not another superficial detail; it is a manner in which