David Warren recommends this essay by Remi Brague, and it's quite good. One striking paragraph from the piece:
...beauty is lovable. But the love of beauty is of a special kind: It does not aim at getting its object, but keeps the distance necessary to contemplate what is beautiful. One cannot relish the beauty of a statue by embracing it. This is nicely captured by the word “amateur,” from , to love, but with the suggestion of a degree of detachment. The amateur relishes his avocation, but recognizes that to draw the activity too close would make it into a job, and thus spoil its pleasure.