Rudolf Carnap (1891–1970) German philosopher
Source: Logical Syntax of Language, 1934/1937, p. 8
Variant: Every philosophical problem, when it is subjected to the necessary analysis and purification, is found either to be not really philosophical at all, or else to be, in the sense in which we are using the word, logical.
Source: 1910s, Our Knowledge of the External World (1914), p. 33
Rudolf Carnap (1891–1970) German philosopher
Source: Logical Syntax of Language, 1934/1937, p. 8
“You are either a Spinozist or not a philosopher at all.”
Baruch Spinoza (1632–1677) Dutch philosopher
Georg Wilhelm Friedrich Hegel, in Lectures on the History of Philosophy (1896), Vol. 3, Ch. I : The Metaphysics of the Understanding, § 2 : Spinoza, p. 283
Context: The fact is that Spinoza is made a testing-point in modern philosophy, so that it may really be said: You are either a Spinozist or not a philosopher at all.
Kwame Nkrumah (1909–1972) Pan Africanist and First Prime Minister and President of Ghana
Consciencism (1964), Introduction
Slavoj Žižek (1949) Slovene philosopher
Conversations with Žižek by Slavoj Žižek and Glyn Daly (Cambridge: Polity Press, 2004), p. 54
George Frederick James Temple (1901–1992) British mathematician
100 Years of Mathematics: a Personal Viewpoint (1981)