Full Idea
All sensory perceptions are entirely suffused with value judgements (useful or harmful - consequently pleasant or unpleasant).
Gist of Idea
Sense perceptions contain values (useful, so pleasant)
Source
Friedrich Nietzsche (Writings from Late Notebooks [1887], 02[95])
Book Reference
Nietzsche,Friedrich: 'Writings from the Late Notebooks', ed/tr. Bittner,Rüdiger [CUP 2003], p.78
A Reaction
An anticipation of modern neuroscience findings about emotion. It is a nice challenge to Hume's 'impressions' and Russell's 'logical atoms'. But knowledge is power, and we can strip the values from the perceptions. Facts and values.