Ronald H. Nash emphasizes the nature of the Christian God as one who can be known and who communicates verbally with persons he has specially created with an ability to understand such communications. Rationality and perspicuity, not irrationality and ineffable inscrutability, are the stuff of biblical faith and the Bible’s God.

There is nothing in the nature of divine transcendence that precludes the possibility of our knowing the mind of God. There is nothing irrational or illogical about the content of divine revelation. The Christian God is not the Unknown God of ancient Athens or modern Marburg. He is a God who created men and women as creatures capable of knowing His mind and will and who has made information about His mind and will available in revealed truths.
Ronald H. Nash, The Word of God and The Mind of Man, page 14 in the 1992 Presbyterian and Reformed edition.