43e0429e_testantism___Roman_Catholicism__Protestant
[Topic] Scripture - Importance of [Orthodox] There is one source of divine revelation: Tradition. Scripture forms the oral part, and the writings of saints, decisions of ecumenical councils etc. are also part of it. [Roman Catholic] Alongside Sacred Scripture, Sacred Tradition (i.e. teachings handed down from Christ and the apostles to the present) are to be considered sources of divine revelation. Tradition and scripture are interpreted by the magisterium or teaching authority of the church. [Protestant] 
Scripture alone is the only infallible guide and the final authority on matters of Christian faith and practice (One of the foundational principles of Protestantism).
Comparison between Orthodoxy, Protestantism & Roman Catholicism
Protestant