We Must Plan For Freedom, And Not

Some Scientists Find, Or So It Seems, That They Get Their Best Ideas When Smoking; Others By Drinking Coffee Or Whisky. Thus There Is No Reason Why I Should Not Admit That Some May Get Their Ideas By Observing, Or By Repeating Observations.

No Book Can Ever Be Finished. While Working On It We Learn Just Enough To Find It Immature The Moment We Turn Away From It

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.

Psychologism Is, I Believe, Correct Only In So Far As It Insists Upon What May Be Called 'methodological Individualism' As Opposed To 'methodological Collectivism'; It Rightly Insists That The 'behaviour' And The 'actions' Of Collectives, Such As States Or Social Groups, Must Be Reduced To The Behaviour And To The Actions Of Human Individuals. But The Belief That The Choice Of Such An Individualist Method Implies The Choice Of A Psychological Method Is Mistaken.

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.