The following is from Van Til’s response to Herman Dooyeweerd’s contribution to ‘Jerusalem and Athens’
I say, therefore, to those who ask about the Christian system somewhat as follows: “You, my friends, state and defend or reject what you call systems of reality and knowledge. Well, I too have a ‘system,’ but it is a different kind of system. It is neither a deductive nor an inductive system, in your sense of the term. Nor is it a combination of these two. My ‘system’ is not that of empiricism, of rationalism, of criticism, or of any of the other ‘systems’ you may read about in the ordinary texts on philosophy. Nor is my ‘system’ a synthesis between one of your systems with that of the Bible. My ‘system’ is attained by thinking upon all the aspects of reality in the light of the Christ of Scripture. I try to think God’s thoughts after him. That is to say, I try as a redeemed covenant-creature of the triune God to attain as much coherence as I, being finite and sinful, can between the facts of the universe. God’s revelation is clear, but it is clear just because it is God’s revelation and God is self-contained light. My ‘system’ is therefore an analogical reinterpretation of the truth that God has revealed about himself and his relation to man through Christ in Scripture. I construct my ‘system’ by means of a variety of gifts that God has created within me. Among these gifts is that of concept-formation.
– Cornelius Van Til, Jerusalem and Athens p.126