Contradictions or Differences? p. 3

WCF 1.8

The Old Testament in Hebrew (which was the native language of the people of God of old), and the New Testament in Greek (which at the time of the writing of it was most generally known to the nations), being immediately inspired by God, and by His singular care and providence kept pure in all ages, are therefore authentical; so as, in all controversies of religion, the Church is finally to appeal unto them.