It means that though the Witch knew the Deep Magic, there is a magic deeper still that she did not know. Her knowledge goes back only to the dawn of Time. But if she could have looked a little further back, into the stillness and darkness before Time began, she would have read there a different incantation. She would have known that when a willing victim who had committed no treachery was killed in a traitor's stead, the Table would crack and death itself would work backwards.
C. S. LewisThe modern idea of a Great Man is one who stands at the lonely extremity of some single line of development--
C. S. LewisThese, then, are the two points I wanted to make. First, that human beings, all over the earth, have this curious idea that they ought to behave in a certain way, and cannot really get rid of it. Secondly, that they do not in fact behave in that way. They know the Law of Nature; they break it. These two facts are the foundation of all clear thinking about ourselves and the universe we live in.
C. S. LewisThose who would most scornfully repudiate Christianity as a mere "opiate of the people" have a contempt for the rich, that is, for all mankind except the poor.
C. S. Lewis