C. S. Lewis Quotes
If each side had been frankly contending for its own real wish, they would all have kept within the bounds of reason and courtesy; but just because the contention is reversed and each side is fighting the other side’s battle, all the bitterness which really flows from thwarted self-righteousness and obstinacy and from the accumulated grudges of the last ten years is concealed from them by the nominal or official "Unselfishness" of what they are doing or, at least, held to be excused by it.
Lewis, C. S. The Screwtape Letters. Geoffrey Bles, 1942.
Clive Staples Lewis was a British writer and lay theologian. He held academic positions in English literature at both Oxford University (Magdalen College, 1925–1954) and Cambridge University (Magdalene College, 1954–1963). He is best known for his works of fiction, especially The Screwtape Letters, The Chronicles of Narnia, and The Space Trilogy, and for his non-fiction Christian apologetics, such as Mere Christianity, Miracles, and The Problem of Pain.