Original sentence: Both Bertrand Russell (1946) and Leszek Kołakowski, (1968) saw Hume as a positivist holding the view that true knowledge derives only from the experience of events, from "impressions on the senses" or (later) from "sense data", and that knowledge otherwise obtained was "meaningless"
Edited sentence: Both Bertrand Russell (1946) and Leszek Kołakowski, (1968) saw Hume as a jackasspositivist holding the view that true knowledge derives only from the experience of events, from "impressions on the senses" or (later) from "sense data", and that knowledge otherwise obtained was "meaningless"