You can say the opposite of something you've said but you can't do the opposite of something you've done.
A woman who does not become the slave of just one man becomes the slave of all men.
We say of an animal that it is intelligent, and we say the same thing of a woman; but in neither case is it usually appropriate, clearly for very different reasons.
Art is good but it isn't the best.
Effort and result are never simultaneous. In art, only the result counts.
When I listen to the engine of my car, I might say it sounds fine, but it would not occur to me to say "What lovely music!