 Approbation, as applied to works of art, is our pleasure at them when we consider them to be well fitted or suited to an end. The approbation is greater if the end for which the object is well suited also gives pleasure. A ship may give pleasure because it is so shapely, and also give pleasure because it is well suited to trade, and also give pleasure because trade also is a fine thing. If these further things are taken into account the beauty of the ship is enhanced. Kames argues that these kinds of pleasure can also be taken in human actions, and that human acts can cause pleasure additionally by the special fact about them that they proceed from intention, deliberation and choice. In the case of, for example, an act of generosity towards a worthy person, the act is intentionally well suited, or fitted, to an end whose beauty is recognised by the agent. The fact that observation of acts displaying generosity, and other virtues, gives us pleasure is due to the original constitution of our nature. The pleasure arises unbidden, and no exercise of will or reason is required, any more than we require to use our reason to see the beauty of a landscape or a work of art.