Full Idea
In adding 'You acted wrongly in…' to 'you stole my money' I am not making any further statement about it; I am simply evincing my moral disapproval of it.
Gist of Idea
To say an act is wrong makes no further statement about it, but merely expresses disapproval
Source
A.J. Ayer (Language,Truth and Logic [1936], Ch.6)
Book Reference
Ayer,A.J.: 'Language, Truth and Logic' [Penguin 1974], p.142
A Reaction
A basic claim of emotivism. Perhaps an understandable response to (e.g.) Kantian claims that we have duties, but to no one in particular. Most people mean by moral criticism that there will be long-term bad consequences, or virtue is lacking.