People usually daydream about things they want to happen to them. Here, we see that Casals dream about meeting and being in the company of famous art people of his time. That suggests that he was very ambitious and eager to be famous.
Of course, this could be regarded to as mere vivid imagination of young Casals, but these big plans for his future and ambition he showed proved that wrong and helped him become one of the most famous Spanish and European cellists.
