Scientia potentia est man which constitute power; in this list, "sciences" or "the sciences" are given a minor position: In the English version this passage reads as thus: On a later work, "De Corpore" (1655), also written in Latin, Hobbes expanded the same idea: In Jean Hampton, "Hobbes and the social contract tradition" (1988), Hampton indicates that this quote is 'after Bacon' and in a footnote, that 'Hobbes was Bacon's secretary as a young man and had philosophical discussions with him (Aubrey 1898, 331). The closest expression in Bacon's works is, perhaps, the expression ""scientia potestas est"", found in his "" (1597), which
George Berkeley he wrote, using a combination of Latin and English, "esse is percipi" (to be is to be perceived), most often if slightly inaccurately attributed to Berkeley as the pure Latin phrase "esse est percipi." The phrase appears associated with him in authoritative philosophical sources, e.g., "Berkeley holds that there are no such mind-independent things, that, in the famous phrase, esse est percipi (aut percipere) – to be is to be perceived (or to perceive)." Hence, human knowledge is reduced to two elements: that of spirits and of ideas ("Principles" #86). In contrast to ideas, a spirit cannot be perceived. A