Source: Writings on the General Theory of Signs, 1971, p. 301
“Signs are not empirical objects. Empirical objects become signs (or they are looked at as signs) only from the point of view of a philosophical decision.”
[O] : Introduction, 0.6
Semiotics and the Philosophy of Language (1984)
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Umberto Eco 120
Italian semiotician, essayist, philosopher, literary critic… 1932–2016Related quotes

On The Algebra of Logic (1885)
Context: If the sign were not related to its object except by the mind thinking of them separately, it would not fulfil the function of a sign at all. Supposing, then, the relation of the sign to its object does not lie in a mental association, there must be a direct dual relation of the sign to its object independent of the mind using the sign. In the second of the three cases just spoken of, this dual relation is not degenerate, and the sign signifies its object solely by virtue of being really connected with it. Of this nature are all natural signs and physical symptoms. I call such a sign an index, a pointing finger being the type of the class.
The index asserts nothing; it only says "There!" It takes hold of our eyes, as it were, and forcibly directs them to a particular object, and there it stops. Demonstrative and relative pronouns are nearly pure indices, because they denote things without describing them; so are the letters on a geometrical diagram, and the subscript numbers which in algebra distinguish one value from another without saying what those values are.

On The Algebra of Logic (1885)
Context: If the sign were not related to its object except by the mind thinking of them separately, it would not fulfil the function of a sign at all. Supposing, then, the relation of the sign to its object does not lie in a mental association, there must be a direct dual relation of the sign to its object independent of the mind using the sign. In the second of the three cases just spoken of, this dual relation is not degenerate, and the sign signifies its object solely by virtue of being really connected with it. Of this nature are all natural signs and physical symptoms. I call such a sign an index, a pointing finger being the type of the class.
The index asserts nothing; it only says "There!" It takes hold of our eyes, as it were, and forcibly directs them to a particular object, and there it stops. Demonstrative and relative pronouns are nearly pure indices, because they denote things without describing them; so are the letters on a geometrical diagram, and the subscript numbers which in algebra distinguish one value from another without saying what those values are.

“Digressions, objections, delight in mockery, carefree mistrust are signs of health…”
Variant: Digressions, objections, delight in mockery, carefree mistrust are signs of health; everything unconditional belongs in pathology.

Context: For Fascism, the growth of Empire, that is to say the expansion of the nation, is an essential manifestation of vitality, and its opposite a sign of decadence. Peoples which are rising, or rising again after a period of decadence, are always imperialist; any renunciation is a sign of decay and of death. Fascism is the doctrine best adapted to represent the tendencies and the a people, like the people of Italy, who are rising again after many centuries of abasement and foreign servitude. But Empire demands discipline, the coordination of all forces and a deeply felt sense of duty and sacrifice.

On The Algebra of Logic (1885)
Context: I call a sign which stands for something merely because it resembles it, an icon. Icons are so completely substituted for their objects as hardly to be distinguished from them. Such are the diagrams of geometry. A diagram, indeed, so far as it has a general signification, is not a pure icon; but in the middle part of our reasonings we forget that abstractness in great measure, and the diagram is for us the very thing. So in contemplating a painting, there is a moment when we lose the consciousness that it is not the thing, the distinction of the real and the copy disappears, and it is for the moment a pure dream, — not any particular existence, and yet not general. At that moment we are contemplating an icon.

Source: The Ethics of Freedom (1973 - 1974), p. 397
Context: The system absorbs those who think they can utilize it. Nor can there be any question of finding a modus vivendi or achieving attenuations. It has been demonstrated how the liberals state becomes an authoritarian state. The course is set and no accommodation will be either lasting or sufficient.
In face of this absolute power, only an absolutely negative position is viable. What we have in mind is the attitude that conscientous objectors take on a specific point, and not without good reason. In the present set-up the anarchist attitude of a total refusal of validity or legitimacy to any authority of any kind seems to me to be the only valid and viable one. The point is not to enforce a particular view of society but to establish a counterbalance, a protest, a sign of cleavage. In face of an absolute power only a total confrontation has any meaning.