Scientific information about the universe does not displace God. Some have said that they searched the heavens and did not see God. The universe with its measureless spaces remains a vast mystery to us, and those who do not find God in their immediate presence, in their heart and conscience, in the Word and the Christian community, will not find him in the universe either, even though they are equipped with the best telescopes that money can buy.
there exists in the human mind and indeed by natural instinct, some sense of Deity, we hold to be beyond dispute, since God himself, to prevent any man from pretending ignorance, has endued all men with some idea of his GodheadInstitutes, 1.3.1
Knowledge of God never needs to be instilled in people by coercion or violence, nor by logical argumentation or compelling proofs, but belongs to humans by their very nature and arises spontaneously and automatically.Reformed Dogmatics
There is no need of traditions, no need of miracles, no need of the authority of any churches, to convince a rational creature that the works of God are his, and his only; and that he is eternal and infinite in power that made them. They carry about with them their own authority. By being what they are, they declare whose they are.Of the Divine Original
General revelation is not a tool for Christians to convince people of something they do not know, but to convict them of what they do know and fail to live up to.Reformed Systematic Theology, 1:210
Shall we, by means of a power of judging implanted in our breast, distinguish between justice and injustice, and yet there be no judge in heaven?Institutes, Book 1 Chapter 5