Bentham and 135A

This reading was chapters I, IV, and V of Jeremy Bentham's An Introduction to the Principles of Morals and Legislation (1781).  I need 200 words.
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I can only think that this particular reading was intended as a passing look at a historical curiosity.  In an older version of what John Stuart Mill would later write, Bentham makes the cute mistake of thinking without stopping to think:  He thinks that the "interest of the community" is "the sum of the interests of the several members who compose it"  (chapter I, final sentence of paragraph IV).

This blog is not a criticism of Bentham!  That assumption, even though it is false (and, more importantly, made in this text by an author who makes no attempt at justifying it), was typical of Bentham's times.  For example, Adam Smith also made, in essence, the same false assumption in his work on economics.

But now it's 2015, and the details of that particular matter have been explained (even at a popular level, for example in the movie A Beautiful Mind).

Bentham repeats the same mistake in chapter IV, paragraph V, section 6; he has a quaint list of pains and pleasures in chapter V.  As long as we are looking at it, it might be possible to use the list toward a reconstruction of the the mind of Mr. Bentham, if anyone's interested  :)
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That's 204 words  :)  Here's Colour Record No. 135, Side A: