Original: Luís Vaz de Camões ( ; sometimes rendered in English as Camoens ; c. 1524 & ndash ; June 10 , 1580 ) is considered Portugal 's , and the Portuguese language 's greatest poet .
Simplified: Luís Vaz de Camõespronounced lu i va d ka mõ ; sometimes rendered in English from old Portuguese as Camoens ( c. 1524 -- June 10 , 1580 ) was Portugals greatest poet .