“natural rights … simple nonsense: natural and imprescriptible rights, rhetorical nonsense,—nonsense upon stilts.”
—Jeremy Bentham
http://www.iep.utm.edu/bentham/
The idea of natural rights are the use of reason in service of justifying our system 1 moral intuitions.
https://www.edge.org/conversation/joshua_d_greene-a-new-science-of-morality-part-2