Quotes from A.J. Ayer

I see philosophy as a fairly abstract activity, as concerned mainly with the analysis of criticism and concepts, and of course most usefully of scientific concepts.

It appears, then, that ethics, as a branch of knowledge, is nothing more than a department of psychologyand sociology.

But if science may be said to be blind without philosophy, it is true also that philosophy is virtually empty without science.

There is philosophy, which is about conceptual analysis - about the meaning of what we say - and there is all of this ... all of life.

Bertrand Russell would not have wished to be called a saint of any description; but he was a great and good man.

The ground for taking ignorance to be restrictive of freedom is that it causes people to make choices which they would not have made if they had seen what the realization of their choices involved.