Randall Garrett, A World by the Tale
“ Jackson stood up. "Professor McLeod, the human race needs every Galactic credit it can lay its hands on. It's your duty to accept the offer, no matter how lousy it is. We have no choice in the matter. And a Galactic credit is worth ten dollars American, four pounds U.K., or forty rubles Soviet. If you sell a hundred thousand copies of your book, you can get yourself a meal in a fairly good restaurant and Earth will have one more Galactic credit stashed away. If you don't sell that many, you aren't out anything." ”
