It is taken for granted that a beggar does not 'earn' his living, as a bricklayer or a literary critic 'earns' his. He is a mere social excrescence, tolerated because we live in a humane age, but essentially despicable.

Whenever he has a pair of aces, his eyelids twitch.

You should draw the curtains at night.

When Banerjee talks about the artist's thinking about the music, she is not referring to an intellection about the mechanics of technique.