Its true that the context and the knowledge we have about an artwork makes it more understandable, likeable and helpful. For this we have to lose at least a few words about the painting. Composition, color, subject, time period, the artist behind it and so on.
But what makes a painting really exciting is that it can hit us on an emotional level long before the consciousness talks to us about what we see. I think that this first impression is crucial to evaluate if an artwork can reach and therefore help us personally. This feeling is stronger in paint than in words.
If you could say it in words there would be no reason to paint.
– Edward Hopper