In physical measurements, for instance, we always care to consider the range within which there may be an error; and precision does not consist in trying to reduce this range to nothing, or in pretending that there is no such range, but rather in its explicit recognition. (p. 235)

Popper, K. (2013). The open society and its enemies. Princeton, NJ: Princeton University Press (Original published 1945 in two volumes).

Voir aussi Bachelard (1938/1983).