Heart of Darkness by Joseph Conrad Chapter 3 Page 13

some small matter which, when the pressing need arose, could not be found under his magnificent eloquence.

Whether he knew of this deficiency himself I can't say. I think the knowledge came to him at last — only at the very last. But the wilderness had found him out early, and had taken on him a terrible vengeance for the fantastic invasion. I think it had whispered to him things about himself which he did not know, things of which he had no conception till he took counsel with this great solitude — and the whisper had proved irresistibly fascinating. It echoed loudly within him because he was hollow at the core.... I put down the glass, and the head that had appeared near enough to be spoken to seemed at once to have leaped away from me into inaccessible distance.