"I know just what you mean," Lucius said as his gaze followed Severus'. It filled him with frustration to see those types tramping around the Wizarding World, diluting the grand culture of Wizardry with their ignorance. Worse still, they somehow produced a magical offspring. It was just unnatural, and it made Lucius shudder.
He could barely stand to look at the Muggles, so he focused on his feet for a moment. "And I'm glad that you're wise enough to see reason. I know you were friends with that--," Lucius shook his head, derailing himself, "Well, I'm just pleased to know that your mind hasn't been clouded."