“Were it not for this inalterable armony, pre-established by God, between subject and object, all our thinking would be necessarily without fruit.”
As translated by Julio Antonio Gonzalo (2008) in The Intelligible Universe: An Overview of the Last Thirteen Billion Years . World Scientific. p. 297
Naturwissenschaftliche vorträge (1871). p. 31
Original: Was aber subjektiv richtig gedacht ist, ist auch objektiv wahr, Ohne diese von Gott zwischen der subjektiven und objektiven Welt prästabilierte ewige Harmonie wäre all unser Denken unfruchtbar
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Robert Mayer 5
German physicist 1814–1878Related quotes
Source: The Common Background of Greek and Hebrew Civilizations (1965 [1962]), Ch.VIII Further Observations on the Bible

2000s, 2005, Address to the National Endowment for Democracy (October 2005)

Where is science going? The Universe in the light of modern physics. (1932)

Source: Das Ressentiment im Aufbau der Moralen (1912), L. Coser, trans. (1973), pp. 67-68

Source: Everything Belongs: The Gift of Contemplative Prayer (1999), p. 82

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.