"When you cut a melon, your friends will come with eager mouths and sit under your shade tree and help you eat it. Few of these friends would respond to your call for help when you were working in the hot sun raising that melon. Many people accept the dividends and benefits of friendship but give you a cold shoulder when called upon for assessments of friendship. " Это и многое другое вы найдете в книге Dollars and Sense (Dodo Press) (Wm C. Hunter)