Tyrian purple 520 nm, which is green). It is believed that the intensity of the purple hue improved rather than faded as the dyed cloth aged. Vitruvius mentions the production of Tyrian purple from shellfish. In his "History of Animals", Aristotle described the shellfish from which Tyrian purple was obtained and the process of extracting the tissue that produced the dye. Pliny the Elder described the production of Tyrian purple in his "Natural History": The most favourable season for taking these [shellfish] is after the rising of the Dog-star, or else before spring; for when they have once discharged their waxy secretion,
Romans 2 Romans 2 Romans 2 is the second chapter of the Epistle to the Romans in the New Testament of the Christian Bible. It is authored by Paul the Apostle, but written by an amanuensis, Tertius, while Paul was in Corinth, in winter of AD 57-58. Paul wrote to the Roman Christians in order to give them a substantial resume of his theology. Although "the main theme of the Epistle [is] the doctrine of justification by faith", in verse 6 Paul "lays down with unmistakable definiteness and precision the doctrine that works, what a man has done, the moral tenor of