Reason

Lewis refers to ideas such as Reason in a proper sense. He assumes that they are ideas with which his audience is already familiar. He uses arguments such as Reason and Logic to support his various ideas.

War

Lewis gives his sermons in a time contemporary with the second world war. He maintains that war is a necessary evil, to protect those who cannot protect themselves and correct abuses of power.

Heaven

Lewis takes a view of heaven not common even among Christian texts. He offers that man's time in heaven will not necessarily be for his own supreme enjoyment, but the enjoyment of the Almighty. Such a view, Lewis admits, fails to draw people to the theology, however, so he allows for the common belief that men will find their heart's desire in eternity, because Lewis believes that, once man enters this place, his desire will...