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
Latin word order be used as an auxiliary verb (e.g. "interfectus est" "he was killed"), as a copula (e.g. "dives erat" "he was rich") or as an existential verb, specifying the existence of something. As an existential verb, "est" (or its past tense "erat") often goes at the beginning of the sentence: Of these two orders, the first (with the locative phrase between the verb and the noun) is by far the most common. The second example above is unusual in that it does not present new information but merely reminds the reader of what has already been said ("There was a valley,