Human beings, all over the earth, have this curious idea that they ought to behave in a certain way, and can't really get rid of it.
The Case for Christianity
Disobedience to conscience is voluntary; bad poetry, on the other hand, is usually not made on purpose.
A Preface to Paradise Lost
The heart never takes the place of the head: but it can, and should, obey it.
As the king governs by his executive, so Reason in man must rule the mere appetites by means of the 'spirited element.'
The Abolition of Man
Unless Christianity is wholly false, the perception of ourselves which we have in moments of shame must be the only true one.
The Problem of Pain