Jean Piaget

On the one hand, there are individual actions such as throwing, pushing, touching, rubbing. It is these individual actions that give rise most of the time to abstraction from objects.
On the one hand, there are individual actions such as throwing, pushing, touching, rubbing. It is these individual actions that give rise most of the time to abstraction from objects.
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These are some quotes by Swiss author Jean Piaget Psychologist, who lived between August 9, 1896 and September 16, 1980.