While the principle of scripture as self-interpreting is a valuable hermeneutical rule-of-thumb — certainly the idea of inspiration is a good basis for some idea of unity among the varying parts of scripture and this allows us to clarify one part of scripture with other parts — this can not be taken as a denial of the clear fact that things external to scripture are important, and often essential, when it comes to interpreting scripture. In the first instance, much work needs to be done in the study of the classics and ancient languages before we can even begin to read the New Testament documents or translate them into another language. Moreover, knowledge of the cultural and historical background is vital to the understanding and interpretation of scripture. Much will be missed if we deny this, even if we are careful to look to other parts of scripture for elucidation.