If God thinks this state of war in the universe a price worth paying for free will...then we may take it it is worth paying.

Alas," said Aslan, shaking his head. "It will. Things always work according to their nature. She has won her heart's desire; she has unwearying strength and endless days like a goddess. But length of days with an evil heart is only length of misery and already she begins to know it. All get what they want; they do not always like it.

I am suffering incessant temptations to uncharitable thoughts at present; one of those black moods in which nearly all one's friends seem to be selfish or even false. And how terrible that there should be even a kind of pleasure in thinking evil.

Readers are advised to remember that the devil is a liar.

You cannot go on 'explaining away' for ever: you will find that you have explained explanation itself away. You cannot go on 'seeing through' things for ever. The whole point of seeing through something is to see something through it.

An obligation to feel can freeze feelings.

Really great moral teachers never do introduce new moralities: it is quacks and cranks who do that.