The number of those who undergo the fatigue of judging for themselves is very small indeed. – Richard Brinsley Sheridan, The Critic, 1799

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)

Most people are more comfortable with old problems than with new solutions. – Author Unknown