Read it through once

The other personage I have mentioned is young and green, and not bright, not learned, and not wise. He will be, though, someday if he recollects the answers to all his questions. He is known about the ship as the “Interrogation Point,” and this by constant use has become shortened to “Interrogation.” He has distinguished himself twice already. In Fayal they pointed out a hill and told him it was 800 feet high and 1,100 feet long. And they told him there was a tunnel 2,000 feet long and 1,000 feet high running through the hill, from end to end. He believed it. He repeated it to everybody, discussed it, and read it from his notes. Finally, he took a useful hint from this remark, which a thoughtful old pilgrim made: