'Don't take me far,' he said abruptly, as they started. 'I have not got the energy for it. I have been over-working, and must go away.'
'I have been sure of it for some time,' said Elsmere warmly. 'You ought to have a long rest. But mayn't I know, Mr. Wendover, before you take it, what this great task is you have been toiling at? Remember, you have never told me a word of it.
And Elsmere's smile had in it a touch of most friendly reproach. Fatigue had left the scholar relaxed, comparatively defenceless. His sunk and wrinkled eyes lit up with a smile, faint indeed, but of unwonted softness.
'A task indeed,' he said with a sigh, 'the task of a lifetime. To-day I finished the second third of it. Probably before the last section is begun some interloping German will have stepped down before me; it is the way of the race! But for the moment there is the satisfaction of having come to an end of some sort—a natural halt, at any rate.'
Elsmere's eyes were still interrogative. 'Oh, well,' said the squire hastily, 'it is a book I planned just after I took my doctor's degree at Berlin. It struck me then as the great want of modern scholarship. It is a History of Evidence, or rather, more strictly, "A History of Testimony."'
Robert started. The library flashed into his mind, and Langham's figure in the long gray coat sitting on the stool.
'A great subject,' he said slowly, 'a magnificent subject. How have you conceived it, I wonder?'
'Simply from the standpoint of evolution, of development. The philosophical value of the subject is enormous. You must have considered it, of course; every historian must. But few people have any idea in detail of the amount of light which the history of human witness in the world, systematically carried through, throws on the history of the human mind; that is to say, on the history of ideas.'
The squire paused, his keen scrutinising look dwelling on the face beside him, as though to judge whether he were understood.