No Great Achievement Is Possible Without Persistent

In Spreading His Ideas, Plato Was Willing To Employ Emotional Appeals, State Propaganda, And The Use Of Force.

Skilled Work, Of No Matter What Kind, Is Only Done Well By Those Who Take A Certain Pleasure In It, Quite Apart From Its Utility, Either To Themselves In Earning A Living, Or To The World Through Its Outcome.

While The Dogmatist Is Harmful, The Sceptic Is Useless ...; One Is Certain Of Knowing, The Other Of Not Knowing. What Philosophy Should Dissipate Is Certainty, Whether Of Knowledge Or Of Ignorance. Knowledge Is Not So Precise A Concept As Is Commonly Thought. Instead Of Saying 'i Know This', We Ought To Say 'i More Or Less Know Something More Or Less Like This'. ... Knowledge In Practical Affairs Has Not The Certainty Or The Precision Of Arithmetic.

The Eugenic Society . . . Is Perpetually Bewailing The Fact That Wage-earners Breed Faster Than Middle-class People.

I Am Delighted To Know That Principia Mathematica Can Now Be Done By Machinery. . . I Am Quite Willing To Believe That Anything In Deductive Logic Can Be Done By Machinery.