In the below paragraph the last sentence has been deleted. Choose the option that completes the paragraph in the most appropriate way.
Thus the end of knowledge and the closing of the frontier that it symbolizes isn't a looming crisis at all, but merely one of many embarrassing fits of hubris in civilization's long industry. In the end, it will pass away and be forgotten. Ours is not the first generation to struggle to understand the organizational laws of the frontier, deceive itself that it has succeeded, and go to its grave having failed.