'But I have experimental verification,' said the Time Traveller.

'It would be remarkably convenient for the historian,' the
Psychologist suggested. 'One might travel back and verify the
accepted account of the Battle of Hastings, for instance!'

'Don't you think you would attract attention?' said the Medical Man.
'Our ancestors had no great tolerance for anachronisms.'

'One might get one's Greek from the very lips of Homer and Plato,'
the Very Young Man thought.

'In which case they would certainly plough you for the Little-go.
The German scholars have improved Greek so much.'

'Then there is the future,' said the Very Young Man. 'Just think!
One might invest all one's money, leave it to accumulate at
interest, and hurry on ahead!'

'To discover a society,' said I, 'erected on a strictly communistic
basis.'

'Of all the wild extravagant theories!' began the Psychologist.

'Yes, so it seemed to me, and so I never talked of it until--'

'Experimental verification!' cried I. 'You are going to verify
_that_?'