Evils of isolation. The process of forming opinions is rather mysterious, and the most convincing evidence is often resisted; yet it is undeniable that opinion are slowly modified under the pressure of facts and arguments. The chief obstacle to evolutional progress in modern society is isolation-individual, group, and class isolation; and the only remedy for isolation is the deliberate cultivation of social contacts. Understanding and sympathy are the fruits of such contacts. In minor controversies the contact remedy is being applied, and with some success. In the deeper and larger controversies the harmful effects of intellectual and moral isolation are seen on every hand. Fanaticism, bordering on insanity, may be produced by isolation. Certain fallacies of reformers, radicals, and others may be traced to isolation, Benefits of contacts. Forums and clubs are partial solutions. The candid study of opposing views is the only substitute for direct personal contacs, and the study of history is one form of contact.