"For one thing," said Sutton, "this time business…"
"You don't know?" asked Case. "Why, it was a man in your own time. A man who is living at this very moment…"
"Case," said Pringle, "this is 7990. Michaelson really did very little with it until 8003."
Case clapped a hand to his forehead. "Oh, so it is," he said. "I keep forgetting."
"See," Pringle said to Sutton. "See what I mean?"
Sutton nodded, although for the life of him he didn't see what Pringle meant.
"But how?" asked Sutton.
"It's all a matter of the mind," said Pringle.
"Certainly," said Case. "If you'd just stop to think of it, you would know it was."
"Time is a mental concept," said Pringle. "They looked for time everywhere else before they located it in the human mind. They thought it was a fourth dimension. You remember Einstein…"