"Exactly! kindred natures always repel one another with a force equal to their subsequent attraction."
"That sounds like a proposition in physics."
"In metaphysics, perhaps," he answered. "It means that if we first quarrel we shall eventually become sympathetic friends."
"Polemical enemies, I should say," Marion replied sharply.
"Why?"
"Because I am not willing to admit I am of so changeable a nature," she replied.
"A mediocre nature will never change; an uncommon one invariably does," he said confidently.
"Another slur."
"A compliment, I should say, as your opinion of me will change."
"On what do you base your presumption?" she said with assumed indignation.