What phrase describes the mistake belief that a good deal for one person will be equally good if everybody makes the same deal?

What is implied in this sentence from mark twain's "the £1,000,000 bank-note"? i was puzzled, and wanted to discuss the matter a little further, but they didn't; so i took my leave, feeling hurt and insulted to be made the butt of what was apparently some kind of a practical joke, and yet obliged to put up with it, not being in circumstances to resent affronts from rich and strong folk.

Which character in this excerpt is in conflict with society, and why? joe summers is in conflict with society because he is joking with the villagers. old man warner is in conflict with society because he believes that young folks have crazy ideas. mrs. adams is in conflict with society because she says some villages have stopped holding lotteries. mr. adams is in conflict with society because he is standing with the villager who represents society's old ways.

What do technical writers need to do when using an image?