Full Idea
When we have found a resemblance among several objects, that often occur to us, we apply the same name to all of them, whatever differences we may observe in the degrees of their quantity and quality, and whatever other differences may appear among them.
Gist of Idea
If we see a resemblance among objects, we apply the same name to them, despite their differences
Source
David Hume (Treatise of Human Nature [1739], I.I.7)
Book Reference
Hume,David: 'A Treatise of Human Nature', ed/tr. Mossner,Ernest C. [Penguin 1969], p.67
A Reaction
This must to some extent by right, whatever objections can be found. Russell's objection (Idea 4441) wouldn't alter the truth of Hume's observation, thought Hume is attacking universals and Russell defending them.
Related Idea
Idea 4441 'Resemblance Nominalism' won't work, because the theory treats resemblance itself as a universal [Russell]