Jean Piaget Quotes
Scientific knowledge is in perpetual evolution; it finds itself changed from one day to the next.
Piaget, Jean. Genetic Epistemology. Translated by Eleanor Duckworth, Columbia University Press, 1970, p. 2.
Sir Humphry was a religious man, and yet he focused on one of the great differences between science and religion. The latter is presumed true and eternal by its faithful, while science is never such. No truth is eternal in science and rarely does a scientific “truth” last 100 years without modification, elaboration or additional complexity. This is one of the reasons that scientists make poor witnesses at Congressional hearings. They are never certain of anything if they are good scientists. Witnesses from other fields testify with much more certainty as they are motivated by self interest or ideology where doubt is unacceptable.
It was not very long before there was no scientific field any longer in which any human being could learn everything that is known. Sherrington was one of the first to see that coming.
Jean Piaget was a Swiss psychologist known for his work on child development. Piaget's theory of cognitive development and epistemological view are together called "genetic epistemology".
