it's very simple. the general nature of your praise, comes from a few common ideas or sensations which are aroused in your mind by completely different physical properties. - i understand, it's admiration. - add to that, pleasure.
|if you consider the matter more closely, you'll find that objects which arouse amazement or admiration without giving pleasure are not beautiful; and those which give pleasure without arousing surprise or admiration are not beautiful either.|
which is why one should just shake hands with the unemployed.