“Mere animals couldn’t possibly manage to act like this. You need to be a human being to be really stupid.”
Source: Pyramids
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Terry Pratchett 796
English author 1948–2015Related quotes

Epilogue
Raising the Peaceable Kingdom (2005)

“Dying more like animals than human beings.”
Non come uomini, ma quasi come bestie, morieno.
First Day, Introduction
The Decameron (c. 1350)

“Animals come when their names are called. Just like human beings.”
Source: Culture and Value (1980), p. 67e

They may be considered as making a part, though a degraded part, of the families to which they belong.
Speech in the Virginia State Convention of 1829-1830, on the Question of the Ratio of Representation in the two Branches of the Legislature (2 December 1829) http://econfaculty.gmu.edu/wew/quotes/slavery.html
1820s