Quotes from Rudolf Carnap

Metaphysicians are musicians without musical ability.

Logic is the last scientific ingredient of Philosophy; its extraction leaves behind only a confusion of non-scientific, pseudo problems.

In science there are no 'depths'; there is surface everywhere.

Let us be cautious in making assertions and critical in examining them, but tolerant in permitting linguistic forms. [Carnap's famous plea for tolerance to which W.V. Quine took exception.]

Logic is the last scientific ingredient of Philosophy; its extraction leaves behind only a confusion of non-scientific, pseudo problems.

Anything you can do, I can do meta

The self is the class (not the collection) of the experiences (or autopsychological states). The self does not belong to the expression of the basic experience, but is constructed only on a very high level.

Science is a system of statements based on direct experience, and controlled by experimental verification. Verification in science is not, however, of single statements but of the entire system or a sub-system of such statements.

Les métaphysiciens sont des musiciens sans dons musicaux.

If one is interested in the relations between fields which, according to customary academic divisions, belong to different departments, then he will not be welcomed as a builder of bridges, as he might have expected, but will rather be regarded by both sides as an outsider and troublesome intruder.

Metaphysiker sind Musiker ohne musikalische Fähigkeit.

Wir werden einen Satz wie Die Welt ist die Selbstverwirklichung Gottes nicht widerlegen, indem wir etwa zu beweisen versuchen: Die Welt ist nicht die Selbstverwirklichung Gottes. Damit würden wir, wo die Metaphysiker den Bock melken, das Sieb unterhalten.