“Logic!" said the Professor half to himself. "Why don't they teach logic at these schools? There are only three possibilities. Either your sister is telling lies, or she is mad, or she istelling the truth. You know she doesn't tell lies and it is obvious that she is not mad. For the moment then and unless any further evidence turns up, we must assume that she is telling the truth.”

“She's the sort of woman who lives for others - you can tell the others by their hunted expression.”

“I wish I had never been born," she said. "What are we born for?" "For infinite happiness," said the Spirit. "You can step out into it at any moment...”

“If a mother is mourning not for what she has lost but for what her dead child has lost, it is a comfort to believe that the child has not lost the end for which it was created. And it is a comfort to believe that she herself, in losing her chief or only natural happiness, has not lost a greater thing, that she may still hope to "glorify God and enjoy Him forever." A comfort to the God-aimed, eternal spirit within her. But not to her motherhood. The specifically maternal happiness must be written off. Never, in any place or time, will she have her son on her knees, or bathe him, or tell him a story, or plan for his future, or see her grandchild.”

“And for all I can tell, the only difference is that what many see we call a real thing, and what only one sees we call a dream. But things that many see may have no taste or moment in them at all, and things that are shown only to one may be spears and water-spouts of truth from the very depth of truth.”

“The basic principles of logic dictate that a statement cannot be both true and false at the same time... and that a statement must be either true or false... Lucy is lying, or she is crazy, or she is telling the truth. She can’t be some combination, and she can’t be none of those things... The laws of logic dictate that she must be one of them... Notice how practical common sense about the suposed impossibility of other worlds doesn’t come into the equation.”

“No man who cares about originality will ever be original. It's the man who's only thinking about doing a good job or telling the truth who becomes really original -- and doesn't notice it.”