What are the motifs in The Praise of Folly by Desiderius Erasmus?

The point of Erasmus's satire in The Praise of Folly is to mock various injustices, evils and absurdities that he sees in 16th century European society, particularly within the primary and most influential concentration of power in his day, the Roman Catholic Church. Europe was on the verge of a social revolution, the Protestant Reformation, which would so rock the social and political fabric of Europe that it would be involved in wars of religion for the next two hundred years.