““When one day Lagrange took out of his pocket a paper which he read at the Académe, and which contained a demonstration of the famous Postulatum of Euclid , relative to the theory of parallels. This demonstration rested on an obvious paralogism, which appeared as such to everybody; and probably Lagrange also recognised it such during his lecture. For, when he had finished, he put the paper back in his pocket, and spoke no more of it. A moment of universal silence followed, and one passed immediately to other concerns.””
![“He [Paracelsus] was a Swiss, a queer mixture of a man, of keenest intellect and coarsest fiber, an unusual combination. Like most students of these times, he led a wandering life. That was the only way one could keep in touch with what was going on; there were no scientific periodicals, no…” quote by Howard Wilcox Haggard](https://sms4smile.com/quotes/img-quotes/ad6/howard-wilcox-haggard-92416_history-of-medicine_he-paracelsus-was-a-swiss-a-queer-mixtur_3227506.jpg)
![“[T]he 47th proposition in Euclid might now be voted down with as much ease as any proposition in politics; and therefore if Lord Hawkesbury hates the abstract truths of science as much as he hates concrete truth in human affairs, now is his time for getting rid of the multiplication table, and…” quote by Sydney Smith](https://sms4smile.com/quotes/img-quotes/709/sydney-smith-6523_abstract_t-he-47th-proposition-in-euclid-might-no_463551.jpg)
![“As to writing another book on geometry [to replace Euclid] the middle ages would have as soon thought of composing another New Testament.” quote by Augustus De Morgan](https://sms4smile.com/quotes/img-quotes/ed4/augustus-de-morgan-18916_age_as-to-writing-another-book-on-geometry-t_584350.jpg)
