This argument extends beyond positions where people are
considered to be at risk, to others where there is some positive benefit to be gained for
everyone. The justification for building parks or roads is that they are 'social goods', with a
value to each person as a member of the community which outweighs the costs to any one
individual. The 'common good' may, then, refer not only to interests which other people
also have, but to interests which are shared by everyone in a community to some degree.
The strongest concept of the 'common good' is based in the good of society as a
whole. Titmuss writes that