Dreams and facts.--Is science superstitious?--Can men be rational?--Philosophy in the twentieth century.-- Machines and the emotions.--Behaviorism and values.-- Eastern and western ideals of happiness.--The harm that good men do.--The recrudescence of puritanism.--The need for political scepticism.--Free thought and official propaganda.--Freedom in society.--Freedom versus authority in education.--Psychology and politics.--The danger of creed wars.--Some prospects, cheerful and otherwise