Soul Music - Invite

'Thought as much. All right, you fellows. You can go back to prodding the universe. Will you step this way, madam?'

'I can't leave the circle!'

'Oh, you can if I invite you. It's all a matter of courtesy. I don't know if you've ever had the concept explained?'

He reached out and took her hand. She hesitated, then stepped across the chalk line. There was a slight tingling feeling. The students backed away hurriedly.

***

Soul Music - p170