'Writing' in the Bible

Peter, an apostle (special messenger, personally chosen representative) of Jesus Christ,To those [elect—both Jewish and Gentile believers] who live as exiles, scattered throughout Pontus, Galatia, Cappadocia, Asia [Minor], and Bithynia, who are chosen

Wherefore, also, it is contained in the Writing: 'Lo, I lay in Zion a chief corner-stone, choice, precious, and he who is believing on him may not be put to shame;'