I think a really good exercise is to change our language about work and income. What if we answer the question, "What do you make?" with our work, instead of with our income? For instance, a teacher makes educated students. A police officer makes security.
Then our income level becomes the answer to the question "What do you take?"
I think this is a more accurate way of thinking about it. Our income is what gives us our power to consume - to take. Our work is what we do for others - how we serve others - what we make.
And I am not implying that there is anything wrong with taking - many people do wonderful things with the income they take, and many people deserve to take more than others because of the nature of their work. But I think this way of thinking helps us with our priorities and how we give respect to others.