The eighteenth-century philosopher Immanuel Kant is as daunting as he is influential: widely considered to be not only one of the most challenging thinkers of all time, but also one of the most important. His Religion Within the Boundaries of Mere Reason takes on two of his central preoccupations – the reasoning powers of the human mind, and religion – and applies the full force of his reasoning abilities to consider the relationship between them. In critical thinking, reasoning is all about constructing arguments: arguments that are persuasive, systematic, comprehensive, and...

Geoffrey Parker spent 15 years writing this ambitious history of the tumultuous 17th century, a period in the grip of what historians term the General Crisis (2013).

David Hume's Dialogues Concerning Natural Religion is a philosophical classic that displays a powerful mastery of the critical thinking skills of reasoning and evaluation. Hume's subject, the question of the existence and possible nature of God, was, and still is, a persistent topic of philosophical and theological debate. What makes Hume's text a classic of reasoning, though, is less what he says, than how he says it. As he noted in his preface to the book, the question of 'natural religion' was unanswerable: so 'obscure and uncertain' that 'human reason can reach no fixed determination with...