Heredity is what sets the parents of a teenager wondering about each other. – Laurence J. Peter

A boy becomes an adult three years before his parents think he does, and about two years after he thinks he does. – Lewis B. Hershey, News summaries, 31 December 1951

It is hard to convince a high-school student that he will encounter a lot of problems more difficult than those of algebra and geometry. – Edgar W. Howe

The teenager seems to have replaced the Communist as the appropriate target for public controversy and foreboding. – Edgar Friedenberg, The Vanishing Adolescent