False opinions are like false money, struck first of all by guilty men and thereafter circulated by honest people who perpetuate the crime without knowing what they are doing. – Joseph De Maistre

Conservatism should guide; it usually paralyzes. – Martin H. Fischer (1879–1962)

I had an immense advantage over many others dealing with the problem inasmuch as I had no fixed ideas derived from long-established practice to control and bias my mind, and did not suffer from the general belief that whatever is, is right. – Henry Bessemer (discovered new method of producing steel)