Read it through once

Every body lies and cheats--every body who is in business, at any rate. Even foreigners soon have to come down to the custom of the country, and they do not buy and sell long in Constantinople till they lie and cheat like a Greek. I say like a Greek, because the Greeks are called the worst transgressors in this line. Several Americans long resident in Constantinople contend that most Turks are pretty trustworthy, but few claim that the Greeks have any virtues that a man can discover--at least without a fire assay.