A mere theory... is the unmanly and unfruitful pleasure of a boyish and prurient imagination, or the gratification of a corrupted and depraved appetite.


The Bakerian Lecture on the Theory of Light and Colours, Edinburgh Review, Volume 1, 1801-3 (p. 450)


A mere theory... is the unmanly and unfruitful pleasure of a boyish and prurient imagination, or the gratification of a corrupted and depraved...

A mere theory... is the unmanly and unfruitful pleasure of a boyish and prurient imagination, or the gratification of a corrupted and depraved...

A mere theory... is the unmanly and unfruitful pleasure of a boyish and prurient imagination, or the gratification of a corrupted and depraved...

A mere theory... is the unmanly and unfruitful pleasure of a boyish and prurient imagination, or the gratification of a corrupted and depraved...