Prepared by the theological commission under Cardinal Ottaviani, the statement uncompromisingly emphasized the two sources of revelation—Scripture and tradition—recognized by Roman Catholicism since the Council of Trent. The progressives, seeing no point in stressing Catholic-Protestant differences, wanted to present Scripture and tradition as two channels of a single stream. The central question was, were some truths of the faith found only in tradition or were all truths of the faith found in Scripture?