Charlie notes that he had been "foolish" to "ever have thought that professors were intellectual giants." He realizes that they are simply people, who are "afraid to reveal the narrowness of their knowledge."
John DiConsiglio sorts out the content in "Disease Central," the supplemental content in When Birds Get Flu, to show the focal thought of how he compresses the focal thought with a quote. I hope the answer will help you.
Antonyms for teeming would be: low, empty, ( Remember, Antonym, means the opposite).
Youth, because that is what you are basically saying when referring to you childhood. In your youth or childhood you are talking about the past as a young girl/boy.