I'm still a bit confused of what to make of Hume's claim that reason can say nothing regarding ethics. He writes that because reason is only concerned with whether something is true or false it cannot speak to passions, which instead direct our reason to justify our actions.
"Actions do not derive their merit from a conformity to reason, nor their blame from a contrarity to it...that as reason can never immediatley prevent or produce any action by contradicting or approving of it, it cannot be the source of distinction betwixt moral good and evil."
This seems to be a rather restrictive view of "reason." Surely, reason is more than simply a tool to determine whether something is true or false. Good and evil may be linked to passions like pride and humility but these passions can still be analyzed from a reasonable point of view to determine if they are justified.