Full Idea
Hume's objection to passing from 'is' to 'ought' would equally apply to passing from 'is' to 'owes' or from 'is' to 'needs'.
Gist of Idea
The problem of getting to 'ought' from 'is' would also apply in getting to 'owes' or 'needs'
Source
comment on David Hume (Treatise of Human Nature [1739]) by G.E.M. Anscombe - Modern Moral Philosophy p.176
Book Reference
'The Is/Ought Question', ed/tr. Hudson,W.H. [Macmillan 1969], p.176
A Reaction
Profound and important. The empirical and emotivist (nay, nihilist) clinging to the total independence of duties from facts crumbles when looking at facts of human nature or of social groups. Creatures ought to feed; societies ought to flourish.