"He didn't turn a hair. 'Not by a long shot,' he answered. 'H. G. Wells was there first. I owe it to Wells.'
"'I see,' I said.
"'The hell you do!' he shot back. 'You think I'm as nutty as a fruit-cake.'
"'The idea of time travel is a little hard to swallow,' I said.
"'Sure it is. But me, I'm doing it. So that's all there is to it.'
"'If you don't mind, Mr. Vanderkamp,' I said, 'I'm a dummy in scientific matters. I have all I can do to tell a nut from a bolt.'
"'That I believe,' he said.
"'So how do you time travel?'
"'Look,' he said, 'time is a dimension like space. You can go up or down this ruler,' he snatched a steel ruler and waved it in front of me, 'from any given point. But you move. In the dimension of time, you only seem to move. You stand still; time moves. Do you get it?'
"I had to confess that I didn't.