Scientia potentia est phrase ""sapientia est potentia"" is often translated as "wisdom is power". The earliest documented occurrence of the phrase "Knowledge is power" is from Imam Ali (599-661 CE), as recorded in the tenth-century book Nahj Al-Balagha (originally in Arabic). He said: Another account of this concept is found in the Shahnameh by the Persian poet Ferdowsi (940–1020 CE) who wrote: "Capable is he who is wise" (in Persian: توانا بود هر که دانا بود). This hemistich is translated to English as "knowledge is power" or "One who has wisdom is powerful". A proverb in practically the same wording is found in
Potentia (ancient city) the Augustan Age onwards far into the late 2nd century AD, is attested by epigraphic evidence. From the 3rd century AD onwards, the lack of significant numbers of inscriptions could point to a decline in the city’s prosperity. Although the city became an Episcopal seat around AD 400 and is still mentioned in sources at the beginning of the 7th century AD, Potentia clearly did not survive into the Middle Ages. Nereo Alfieri, an Italian specialist in ancient topography, located the archaeological site of Potentia in 1940. The first architectural remains were investigated in the 1960s-70s under the direction of