Quote from : Heart of Darkness Book

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 found him out early, and had taken 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