Protestants have questioned the Catholic Church's reliance on what it calls "Sacred Tradition", handed down from the apostles, whether orally or in writing (cf. 2 Thessalonians 2:15 – "Therefore, brethren, stand fast, and hold the traditions which ye have been taught by us, whether by word, or our epistle"), and which the Church distinguishes from human traditions or customs,[9] and sees not as a distinct revelation parallel to Sacred Scripture but rather as the context within which Sacred Scripture is understood.[10]