(1) ...To believe that cosmology proves the existence of a creator and then to attribute to this creator the properties of the Creation as a person is to make an illegitimate inference, to commit a category fallacy.
(2) .... Such a God cannot (and should not) serve the purpose of faith, because, being a God proved by cosmology he [or it] should be at the mercy of cosmology. ’[1]
[1] Marcello Pera: The god of theologians and the god of astronomers, as found in The Cambridge Companion to Galileo, Cambridge University Press, 1998, pp.378, 379.
Pera is an atheist, and the points in the passage you quote are standard atheist objections to the proofs for the existence of God. Why would you quote this (and paste it to other forums) in apparent approval?
The first (1) passage is saying that the proofs for the existence of God only get you to Deism. There are many answers to this, but one is scope - proofs of existence shouldn't be expected to do more than prove existence.
The second (2) passage is saying if God is known by reason, then God is not an object of faith. That is a more central issue. Catholics say that reason can know things, and specifically, it is a dogma of the Catholic faith that reason without revelation
can know that God exists. The Church doesn't say that every human gets there, nor has the Church dogmatically defined that any specific proof is valid.
So in practice, God is an object of faith for people (most people) who do not fully grasp a proof for existence of God from reason. And even for those who do fully grasp a proof for existence, the proofs don't necessarily get at everything we know about God from revelation, which still remains an object of faith.