“A quarter, perhaps?”

“Yes,” said the old man “a quarter or—”

“Or?”

“Seven minutes, or ten minutes past ten.”

“I do not understand you.”

“Why, to tell you the truth,” said the old man, with a smile, “there is one thing to the knowledge of which I could never exactly attain.”

“Do you mean to say,” said I, “that you do not know what’s o’clock?”

“I can give a guess,” said the old man, “to within a few minutes.”

“But you cannot tell the exact moment?”

“No,” said the old man.