Quote#Wisdom
Secondary Qualities are not 'extended' but 'intensive'; their effects…
Quote byWilliam Whewell · 1794–1866
Commonly attributed — not confirmed in an authoritative edition. Cited on Wikiquote to: LIX.
English (original)
Secondary Qualities are not 'extended' but 'intensive'; their effects are not augmented by addition of parts, but by increased operation of the medium. Hence they are not measured directly, but by 'scales'; not by 'units', but by 'degrees'.
— William Whewell
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The Sight cannot decompose a compound colour into simple colours, or distinguish a compound from a simple colour
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