Orthodoxy: That peculiar condition where the patient can neither eliminate an old idea nor absorb a new one. – Elbert Hubbard, The Note-Book, 1927

None are more hopelessly enslaved than those who falsely believe they are free. – Johann Wolfgang von Goethe

Every generation laughs at the old fashions, but follows religiously the new. – Henry David Thoreau, Walden, 1854

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)