Hope is one of the Theological virtues. This means that a continual looking forward to the eternal world is not (as some modern people think) a form of escapism or wishful thinking, but one of the things a Christian is meant to do. It does not mean that we are to leave the present world as it is. If you read history you will find that the Christians who did most for the present world were just those who thought most of the next.

You see, Aslan didn't tell Pole what would happen. He only told her what to do. That fellow will be the death of us once he's up, I shouldn't wonder. But that doesn't let us off following the signs. - The Silver Chair

To make Christianity a private affair while banishing all privacy is to relegate it to the rainbow's end or the Greek Calends.

The Christian idea of 'putting on Christ' is the whole of Christianity.

A man can't be always defending the truth; there must be a time to feed on it.

Since it is so likely that (children) will meet cruel enemies, let them at least have heard of brave knights and heroic courage. Otherwise you are making their destiny not brighter but darker.

As Venus within Eros does not really aim at pleasure, so Eros does not aim at happiness. We may think he does, but when he is brought to the test it proves otherwise... For it is the very mark of Eros that when he is in us we had rather share unhappiness with the Beloved than be happy on any other terms.