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
Ecclesia semper reformanda est Ecclesia semper reformanda est Ecclesia semper reformanda est (Latin for "the church must always be reformed", often – as usual in Latin – shortened to "Ecclesia semper reformanda") is a phrase first greatly popularized by Karl Barth in 1947, allegedly deriving from a saying of St. Augustine. It refers to the conviction of certain Reformed Protestant theologians that the church must continually re-examine itself in order to maintain its purity of doctrine and practice. An early example is Jodocus van Lodenstein, "Beschouwinge van Zion (Contemplation of Zion)", Amsterdam, 1674-1678, who claims the "truth ... that also in the Church there