The worst government is often the most moral. One composed of cynics is often very tolerant and humane. But when fanatics are on top there is no limit to oppression.

H. L. Mencken’s quote, "The worst government is often the most moral. One composed of cynics is often very tolerant and humane. But when fanatics are on top there is no limit to oppression," reflects his skepticism about the dangers of idealism and extremism in government. Mencken is arguing that a government driven by rigid moral principles or driven by fanatical beliefs can lead to excessive control and oppression of its citizens. In contrast, he suggests that a more pragmatic or cynical government, which lacks grand moral ideologies, may be more tolerant and humane, as it is more focused on practical governance than on imposing ideological purity.

The origin of this quote comes from Mencken’s views as a journalist and social critic in the early 20th century. Mencken was known for his sharp wit and his critique of both political and social systems. His commentary often focused on the dangers of idealism, especially when it led to the authoritarianism and oppression he associated with various forms of political and religious extremism. In this quote, Mencken is particularly wary of those who seek to impose their moral beliefs on others, particularly through the power of government.

Mencken’s statement also draws a distinction between cynicism and idealism in governance. He suggests that cynics, who may be skeptical of lofty moral claims, are less likely to impose rigid, harmful policies because they are more focused on practicality and compromise. On the other hand, fanatics—whether political, religious, or ideological—are prone to seeing their beliefs as absolute truths, leading to policies that justify extreme measures and oppression in the name of moral righteousness. The quote warns that idealistic governments can often be the most dangerous, as they impose their vision of the "right" way of life at the expense of freedom and individual rights.

In essence, Mencken’s quote underscores the danger of idealism and extremism in governance. He argues that the worst government is often one driven by moral absolutism, as it can lead to oppression and the loss of individual freedoms. Conversely, a government led by more pragmatic or cynical individuals might be more tolerant and humane, less likely to engage in the kind of coercion and control that can arise from the pursuit of moral perfection.