The seventh part of Professor Dan Robinson's series on Reid's critique of David Hume. In his Enquiry Concerning the Principles of Morals [1751], Hume states: “The final sentence, it is probable, which pronounces characters and actions amiable or odious, praise-worthy or blameable; that which stamps on them the mark of honour or infamy, approbation or censure; that which renders morality an active principle and constitutes virtue our happiness, and vice our misery; it is probable, I say, that this final sentence depends on some internal sense or feeling, which nature has made universal in the whole species”. The ruling motives are shaped by considerations of utility. “The rage and violence of public war; what is it but a suspension of justice among the warring parties, who perceive, that this virtue is now no longer of any USE or advantage to them? The laws of war, which then succeed to those of equity and justice, are rules calculated for the ADVANTAGE and UTILITY…”