“If, as I maintain and firmly believe, there is no objective definition of intelligence, and what we call intelligence is only a creation of cultural fashion and subjective prejudice, what the devil is it we test when we make use of an intelligence test?”
"Thinking About Thinking" in Magazine of Fantasy and Science Fiction, January 1975
General sources
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Isaac Asimov 303
American writer and professor of biochemistry at Boston Uni… 1920–1992Related quotes

“The universe is an intelligence test”
As quoted in Cosmic Trigger I: The Final Secret of the Illuminati (1977) by Robert Anton Wilson, p. 170

Nerdist podcast, Episode #489 http://www.nerdist.com/2014/03/nerdist-podcast-neil-degrasse-tyson-returns-again/ (2014-04)
2010s

"The Departments of Mathematics, and their Mutual Relations," Journal of Speculative Philosophy, Vol. 5, p. 164. Reported in Moritz (1914)
Journals

“We speak of the matter [of this science] in the sense of its being what the science is about. This is called by some the subject of the science, but more properly it should be called its object, just as we say of a virtue that what it is about is its object, not its subject. As for the object of the science in this sense, we have indicated above that this science is about the transcendentals. And it was shown to be about the highest causes. But there are various opinions about which of these ought to be considered its proper object or subject. Therefor, we inquire about the first. Is the proper subject of metaphysics being as being, as Avicenna claims, or God and the Intelligences, as the Commentator, Averroes, assumes.”
loquimur de materia "circa quam" est scientia, quae dicitur a quibusdam subiectum scientiae, uel magis proprie obiectum, sicut et illud circa quod est uirtus dicitur obiectum uirtutis proprie, non subiectum. De isto autem obiecto huius scientiae ostensum est prius quod haec scientia est circa transcendentia; ostensum est autem quod est circa altissimas causas. Quod autem istorum debeat poni proprium eius obiectum, uariae sunt opiniones. Ideo de hoc quaeritur primo utrum proprium subiectum metaphysicae sit ens in quantum ens (sicut posuit Auicenna) uel Deus et Intelligentiae (sicut posuit Commentator Auerroes.)
Quaestiones subtilissimae de metaphysicam Aristotelis, as translated in: William A. Frank, Allan Bernard Wolter (1995) Duns Scotus, metaphysician. p. 20-21

Series 1 Episode 6: "Religion"

Source: The Doctrine of the Mean

Die Wissenschaft hilft uns vor allem, daß sie das Staunen, wozu wir von Natur berufen find.
Maxim 417, trans. Stopp
Maxims and Reflections (1833)