KNOWLEDGE+OF+THE+EXTERNAL+WORLD

Back to SENSE PERCEPTION =KNOWLEDGE OF THE EXTERNAL WORLD =

Sometimes we are unaware of which sense is supplying us with information. (Reuben Abel)

Every organism lives in the world shaped for it by its sensory apparatus. (Reuben Abel)

The vestibule of the bath house warms those who enter from the street and chills those leaving the bath house. (Sextus Empiricus)

There is a time lag in all sense perception. (Daniel Dennett)

Sweet and bitter, cold and warm, as well as the colours - all these things exist but in opinion, and not in reality. (Democritus)

All my sense perceptions occur only within me. (Berkeley)

A sense datum: “such things as colours, smells, hardnesses, roughnesses and so on” (Bertrand Russell)

A sensation: “whenever we see a colour, we have a sensation of the colour, but the colour itself is a sense datum, not a sensation. (Bertrand Russell)

If we examine a perceptual experience carefully, we can usually analyse it into a ... sense datum. and an act of inference or interpretation. (Reuben Abel)

Thing: “the permanent possibility of sensation” (JS Mill)

Belief in the existence of things outside my own biography ... must be regarded as a prejudice. (Bertrand Russell)

Let us not pretend to doubt in philosophy what we do not doubt in our heart. (Peirce)

Perception is manifestly an activity which seeks to satisfy standards which it sets to itself. (Polanyi)