The great enemy of the truth is very often not the lie — deliberate, contrived and dishonest — but the myth — persistent, persuasive, and unrealistic. Too often we hold fast to the cliches of our forebears. We subject all facts to a prefabricated set of interpretations. We enjoy the comfort of opinion without the discomfort of thought. John F. Kennedy

Truth scarce ever yet carried it by Vote any where at its first appearance: New Opinions are always suspected, and usually opposed, without any other Reason, but because they are not already common. John Locke

I believe that at the end of the century the use of words and general educated opinion will have altered so much that one will be able to speak of machines thinking without expecting to be contradicted. Alan Turing

When I express my opinions it is so as to reveal the measure of my sight not the measure of the thing. Michel de Montaigne

Each of these private teachers who work for pay... inculcates nothing else than these opinions of the multitude which they opine when they are assembled and calls this knowledge wisdom. Socrates