"Knowledge can last, principles can last, habits can last; but feelings come and go... But, of course, ceasing to be "in love" need not mean ceasing … - C. S. Lewis

Pooh! Grown-ups are always thinking of uninteresting explanations.

The doctrine of the Second Coming has failed, so far as we are concerned, if it does not make us realize that at every moment of every year in our lives Donne's question "What if this present were the world's last night?" is equally relevant.

...wickedness, when you examine it, turns out to be the pursuit of some good in the wrong way. You can be good for the mere sake of goodness: you cannot be bad for the mere sake of badness. You can do a kind action when you are not feeling kind and when it gives you no pleasure, simply because kindness is right; but no one ever did a cruel action simply because cruelty is wrong — only because cruelty was pleasant or useful to him. in other words badness cannot succeed even in being bad in the same way in which goodness is good. Goodness is, so to speak, itself: badness is only spoiled goodness.