The earliest surviving written work on the subject of architecture is De architectura, by the Roman architect Vitruvius in the early 1st century AD. According to Vitruvius, a good building should satisfy the three principles of firmitas, utilitas, venustas, commonly known by the original translation – firmness, commodity and delight. An equivalent in modern English would be: COUNT 9
QSN1 What is the oldest architecture plans that has survived? ANS1 De architectura QSN2 Who created the oldest surviving architecture plans? ANS2 Roman architect Vitruvius QSN3 When did Vitruvius create these plans? ANS3 1st century AD. QSN4 What are the three principles every plan should consider? ANS4 firmness, commodity and delight. QSN5 What is the first known extant writing about architecture called? ANS5 De architectura QSN6 Who was the author of  De architectura? ANS6 Vitruvius QSN7 What was Vitruvius' profession? ANS7 architect QSN8 What were Vitruvius' three principles for a well made building? ANS8 firmitas, utilitas, venustas QSN9 What is the commonly seen English translation of the three principles? ANS9 firmness, commodity and delight