You might be able to save lives of refugees with the small amount of money, which you could save by not taking another small plate of sushi pieces at an revolving sushi bar.You might be able to contribute to the environmental protection as easily as you would sit at the counter of a revolving sushi bar.You might be able to do a lot of great things for other people just by being satisfied with one sushi plate less. A small action of yours might help change the world in a very significant way.