Every Genuine Test Of A Theory Is

We Know A Great Deal, But Our Ignorance Is Sobering And Boundless. With Each Step Forward, With Each Problem Which We Solve, We Not Only Discover New And Unsolved Problems, But We Also Discover That Where We Believed That We Were Standing On Firm And Safe Ground, All Things Are, In Truth, Insecure And In A State Of Flux.

There Is An Almost Universal Tendency, Perhaps An Inborn Tendency, To Suspect The Good Faith Of A Man Who Holds Opinions That Differ From Our Own Opinions. It Obviously Endangers The Freedom And The Objectivity Of Our Discussion If We Attack A Person Instead Of Attacking An Opinion Or, More Precisely, A Theory.

No Particular Theory May Ever Be Regarded As Absolutely Certain.... No Scientific Theory Is Sacrosanct.

Our Aim As Scientists Is Objective Truth; More Truth, More Interesting Truth, More Intelligible Truth. We Cannot Reasonably Aim At Certainty. Once We Realize That Human Knowledge Is Fallible, We Realize Also That We Can Never Be Completely Certain That We Have Not Made A Mistake.

The Conspiracy Theory Of Society... [is] A Typical Result Of The Secularization Of A Religious Superstition. The Belief In The Homeric Gods Whose Conspiracies Explain The History Of The Trojan War Is Gone. The Gods Are Abandoned. But Their Place Is Filled By Powerful Men Or Groups - Sinister Pressure Groups Whose Wickedness Is Responsible For All The Evils We Suffer From - Such As The Learned Elders Of Zion, Or The Monopolists, Or The Capitalists, Or The Imperialists.