Mistaken Quotes (3 quotes)
Anyone who thinks science is trying to make human life easier or more pleasant is utterly mistaken.
In 'Quotation Marks', New York Times (11 Oct 1931), XX2.
Language is the principal tool with which we communicate; but when words are used carelessly or mistakenly, what was intended to advance mutual understanding may in fact hinder it; our instrument becomes our burden
Irving M. Copi and Carl Cohen (probably? in their Introduction to Logic), In K. Srinagesh, The Principles of Experimental Research (2006), 15.
The mathematicians have been very much absorbed with finding the general solution of algebraic equations, and several of them have tried to prove the impossibility of it. However, if I am not mistaken, they have not as yet succeeded. I therefore dare hope that the mathematicians will receive this memoir with good will, for its purpose is to fill this gap in the theory of algebraic equations.
Opening of Memoir on Algebraic Equations, Proving the Impossibility of a Solution of the General Equation of the Fifth Degree. The paper was originally published (1824) in French, as a pamphlet, in Oslo. Collected in uvres Complθtes (1881), Vol. 1, 28. Translation by W.H. Langdon collected in David Eugene Smith, A Source Book in Mathematics (2012), 261. In this work, he showed whydespite two centuries of efforts by mathematicianssolving equations of the fifth degree would remain futile. The insights from this paper led to the modern theory of equations.
In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion.
(1987) 
Carl Sagan
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