A quatrain is a type of stanza, or a complete poem, consisting of four lines.
Portrait of Henric Piccardt. Engraving by Pierre Landry from 1672 after a lost painting by Nicolaes Maes. Under the portrait, a quatrain by Guy Patin.
Omar Khayyam was a Persian poet and polymath, known for his contributions to mathematics, astronomy, philosophy, and Persian literature. He was born in Nishapur, Iran and lived during the Seljuk era,
Quatrain
…popular in Iran since the medieval period, as Ruba'is form; an important faction of the vast repertoire of Persian poetry, with famous poets such as Omar Khayyam and Mahsati Ganjavi of Seljuk Persia writing poetry only in this format. Michel de Nostredame (Nostradamus) used the quatrain form to deliver his famous…
Statue of Khayyam by Abolhassan Sadighi, at Laleh Park in Tehran
Mausoleum of Omar Khayyam in Nishapur, Iran. Some of his rubáiyáts are used as calligraphic (taliq script) decoration on the exterior body of his mausoleum.
Inscription of a poem attributed to Omar Khayyam at Morića Han in Sarajevo, Bosnia and Herzegovina
Stamp of Albania in 1997, entitled "850th birth anniversary of Omar Khayyam"