Full Idea
A person's voice may count either because her interests are involved, or because he reasoning and judgement can enlighten a discussion.
Gist of Idea
A person's voice may count because of their interests, or because of their good sense
Source
Amartya Sen (The Idea of Justice [2009], 04 'Diversity')
Book Reference
Sen, Amartya: 'The Idea of Justice' [Penguin 2010], p.108
A Reaction
Good. Inarticulate people may have strong interests, and articulate and helpful people may be wholly disinterested. But people may have unworthy interests, and may be articulate but not sensible.