Ancient Greek philosophy In
Western philosophy, the concept of
tabula rasa can be traced back to the writings of
Aristotle who writes in his treatise
De Anima () of the "unscribed tablet." In one of the more well-known passages of this treatise, he writes that: Haven't we already disposed of the difficulty about interaction involving a common element, when we said that mind is in a sense potentially whatever is thinkable, though actually it is nothing until it has thought? What it thinks must be in it just as characters may be said to be on a writing tablet on which as yet nothing stands written: this is exactly what happens with mind. This idea was further evolved in
Ancient Greek philosophy by the
Stoic school. Stoic epistemology emphasizes that the mind starts blank, but acquires knowledge as the outside world is impressed upon it. The
doxographer Aetius summarizes this view as "When a man is born, the Stoics say, he has the commanding part of his soul like a sheet of paper ready for writing upon."
Diogenes Laërtius attributes a similar belief to the Stoic
Zeno of Citium when he writes in
Lives and Opinions of Eminent Philosophers that: Perception, again, is an impression produced on the mind, its name being appropriately borrowed from impressions on wax made by a seal; and perception they divide into comprehensible and incomprehensible: Comprehensible, which they call the criterion of facts, and which is produced by a real object, and is, therefore, at the same time conformable to that object; Incomprehensible, which has no relation to any real object, or else, if it has any such relation, does not correspond to it, being but a vague and indistinct representation.
Ibn Sina (11th century) In the 11th century, the theory of
tabula rasa was developed more clearly by
Ibn Sina (Avicenna). The
Internet Encyclopedia of Philosophy describes him arguing that "human intellect at birth resembled a
tabula rasa, a pure potentiality that is actualized through education and comes to know". Thus, according to Ibn Sina, knowledge is attained through "
empirical familiarity with objects in this world from which one abstracts universal concepts," which develops through a "
syllogistic method of
reasoning; observations lead to propositional statements, which when compounded lead to further abstract concepts." He further argued that the intellect itself "possesses levels of development from the static/material intellect, that potentiality can acquire knowledge to the active intellect, the state of the human intellect at conjunction with the perfect source of knowledge."
Ibn Tufail (12th century) In the 12th century, the
Andalusian-
Islamic philosopher and novelist,
Ibn Tufail (known as
Abubacer or
Ebn Tophail in the West) demonstrated the theory of
tabula rasa as a
thought experiment through his
Arabic philosophical novel,
Hayy ibn Yaqdhan, in which he depicts the development of the mind of a
feral child "from a tabula rasa to that of an adult, in complete isolation from society" on a
desert island, through
experience alone. The
Latin translation of his
philosophical novel, entitled
Philosophus Autodidactus, published by
Edward Pococke the Younger in 1671, had an influence on
John Locke's formulation of
tabula rasa in
An Essay Concerning Human Understanding.
Aquinas (13th century) '' by
Diego Velázquez, 1648 In the 13th century,
St. Thomas Aquinas brought the
Aristotelian and
Avicennian notions to the forefront of
Christian thought. These notions sharply contrasted with the previously-held
Platonic notions of the human mind as an entity that pre-existed somewhere in the heavens, before being sent down to join a body here on Earth (cf. Plato's
Phaedo and
Apology, as well as others).
St. Bonaventure (also 13th century) was one of the fiercest intellectual opponents of Aquinas, offering some of the strongest arguments toward the Platonic idea of the mind.
Descartes (17th century) Descartes, in his work
The Search for Truth by Natural Light, summarizes an empiricist view in which he uses the words
table rase, in French; in the following English translation, this was rendered
tabula rasa: All that seems to me to explain itself very clearly if we compare children's imagination to a
tabula rasa on which our ideas, which resemble portraits of each object taken from nature, should depict themselves. The senses, the inclinations, our masters and our intelligence, are the various painters who have the power to execute this work; and amongst them, those who are least adapted to succeed in it, i.e., the imperfect senses, blind instinct, and foolish nurses, are the first to mingle themselves with it. There finally comes the best of all, intelligence, and yet it is still requisite for it to have an apprenticeship of several years, and to follow the example of its masters for long, before daring to rectify a single one of their errors. In my opinion this is one of the principal causes of the difficulty we experience in attaining to true knowledge. For our senses really perceive that alone which is most coarse and common; our natural instinct is entirely corrupted; and as to our masters, although there may no doubt be very perfect ones found amongst them, they yet cannot force our minds to accept their reasoning before our understanding has examined it, for the accomplishment of this end pertains to it alone. But it is like a clever painter who might have been called upon to put the last touches on a bad picture sketched out by prentice hands, and who would probably have to employ all the rules of his art in correcting little by little first a trait here, then a trait there, and finally be required to add to it from his own hand all that was lacking, and who yet could not prevent great faults from remaining in it, because from the beginning the picture would have been badly conceived, the figures badly placed, and the proportions badly observed.
Locke (17th century) The modern idea of the theory is attributed mostly to
John Locke's expression of the idea in
Essay Concerning Human Understanding, particularly using the term "white paper" in Book II, Chap. I, 2. In Locke's philosophy,
tabula rasa was the theory that at birth the (human) mind is a "blank slate" without rules for processing data, and that data is added and rules for processing are formed solely by one's
sensory experiences. The notion is central to Lockean
empiricism; it serves as the starting point for Locke's subsequent explication (in Book II) of simple ideas and complex ideas. As understood by Locke,
tabula rasa meant that the mind of the individual was born blank, and it also emphasized the freedom of individuals to author their own
soul. Individuals are free to define the content of their character—but basic identity as a member of the human species cannot be altered. This presumption of a free, self-authored mind combined with an immutable human nature leads to the Lockean doctrine of
"natural" rights. Locke's idea of
tabula rasa is frequently compared with
Thomas Hobbes's viewpoint of human nature, in which humans are endowed with inherent mental content—particularly with selfishness.
Freud (19th century) The concept of
Tabula rasa can be constructed from
Sigmund Freud's
psychoanalysis. Freud argued that the psyche was largely formed by socialization, not biology or genealogy. (see
Oedipus complex). In Freud's schema of psycho-sexual development, the conflicting drives imprinted by the parents (the id versus the superego) produce ego, and that in spite of his neuroses, the analysand would discuss matters in a non-adversarial manner. The clinician would simply pose questions to the patient about his neuroses. Exposure to such questions would inculcate the patient's secondary defenses against the neuroses, helping him shed 'substitutive satisfactions,' sadomasochism. Freud's theories implied that humans are largely products of their socialization. In Freudian psychoanalysis, ones' neuroses are agitated until transference neuroses are projected onto the psychoanalyst. Freud posited the individual as a blank slate with an imprint of regressive characteristics through socialization. ==Science==