1:9 The infallible rule for interpreting Scripture is the Scripture itself. Therefore, when there is a question about the true and full meaningb of any part of Scripture (and each passage has only one meaning, not many), it must be understood in light of other passages that speak more clearly.20 1:10 The supreme judge for deciding all religious controversies and for evaluating all decrees of councils, opinions of ancient writers, human teachings, and individual interpretationsc, and in whose judgment