“It is impossible to decide whether a particular detail of the Pythagorean universe was the work of the master, or filled in by a pupil a remark which equally applies to Leonardo or Michelangelo . But there can be no doubt that the basic features were conceived by a single mind; that Pythagoras of Samos was both the founder of a new religious philosophy, and the founder of Science, as the word is understood today.” MindPhilosophyTodayUniverseReligiousDoubtImpossibleParticularMastersUnderstoodFilledDetailsFeaturesNo DoubtFoundersRemarksPupilsLeonardoReligious PhilosophyFilled In Book:The Sleepwalkers: A History of Man's Changing Vision of the Universe Source: The Sleepwalkers: A History of Man's Changing Vision of the Universe
“Now many such things may be done without intitling the people to rise in arms. A gross, flagrant, and palpable abuse no doubt will do it, as if they should be required to pay a tax equal to half or third of their substance.” PeopleIfsShouldMayDonePhilosophyPoliticalPayHalfDoubtArmsTaxesEqualEconomicsThirdsAbuseSubstanceNo DoubtGross Author:Adam Smith
“No doubt metaphors are dangerous- and perhaps especially so in philosophy. But a prohibition against their use would be a willful and harmful restriction upon our powers of inquiry.” PhilosophyUseWould BeDoubtDangerousMetaphorNo DoubtInquiryRestrictionProhibitionDoubt Me Author:Max Black