"From this time on, the universe is built up into an aggregate of permanent objects connected by causal relations that are independent of the subject and are placed in objective space and time"

- Jean Piaget

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This quote is written / told by Jean Piaget between August 9, 1896 and September 16, 1980. He/she was a famous Psychologist from Switzerland. The author also have 21 other quotes. Go to author profile