Irrefragability, Thy Name Is Mathematics.

Nonbeing Must In Some Sense Be, Otherwise What Is It That There Is Not? This Tangled Doctrine Might Be Nicknamed Plato's Beard; Historically It Has Proved Tough, Frequently Dulling The Edge Of Occam's Razor.

To Define An Expression Is, Paradoxically Speaking, To Explain How To Get Along Without It. To Define Is To Eliminate.

Unscientific Man Is Beset By A Deplorable Desire To Have Been Right. The Scientist Is Distinguished By A Desire To Be Right.

... Two Men Could Be Just Alike In All Their Dispositions To Verbal Behavior Under All Possible Sensory Stimulations, And Yet Themeanings Or Ideas Expressed In Their Identically Triggered And Identically Sounding Utterances Could Diverge Radically, For The Two Men, In A Wide Range Of Cases.

For Me The Problem Of Induction Is A Problem About The World: A Problem Of How We, As We Are Now (by Our Present Scientific Lights), In A World We Never Made, Should Stand Better Than Random, Or Coin-tossing Chances Changes Of Coming Out Right When We Predict By Inductions. . . .