A curious thing about the ontological problem is its simplicity. It can be put into three Anglo-Saxon monosyllables: 'What is there?' It can be answe….

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 ne….

Logic chases truth up the tree of grammar..

Yields falsehood when preceded by its quotation..

We do not learn first what to talk about and then what to say about it..

Logic is an old subject, and since 1879 it has been a great one..

We must not leap to the fatalistic conclusion that we are stuck with the conceptual scheme that we grew up in. We can change it, bit by bit, plank by….

To define an expression is, paradoxically speaking, to explain how to get along without it. To define is to eliminate..

To be is to be the value of a variable..

One man's antinomy is another man's falsidical paradox, give or take a couple of thousand years..

Language is a social art..

It is within science itself, and not in some prior philosophy, that reality is to be identified and described..

Our talk of external things, our very notion of things, is just a conceptual apparatus that helps us to foresee and control the triggerings of our se….

Creatures inveterately wrong in their inductions have a pathetic but praise-worthy tendency to die before reproducing their kind..

The totality of our so-called knowledge or beliefs, from the most casual matters of geography and history to the profoundest laws of atomic physics o….

Unscientific man is beset by a deplorable desire to have been right. The scientist is distinguished by a desire to be right..

I have been accused of denying consciousness but I am not conscious of having done so..

Implication is thus the very texture of our web of belief, and logic is the theory that traces it..

Irrefragability, thy name is mathematics..

My position is a naturalistic one; I see philosophy not as an a priori propaedeutic or groundwork for science, but as continuous with science. I see ….

Science is not a substitute for common sense, but an extension of it..