Full Idea
Someone who goes wrong in relating an idea to a name will usually go wrong about the thing he wants the name to stand for.
Gist of Idea
People who can't apply names usually don't understand the thing to which it applies
Source
Gottfried Leibniz (New Essays on Human Understanding [1704], 2.29)
Book Reference
Leibniz,Gottfried: 'New Essays on Human Understanding', ed/tr. Remnant/Bennett [CUP 1996], p.265
A Reaction
This seems to give tentative support to a Millian account of names, whose only content is just the thing which is named. Leibniz's observation certainly seems to be right.