Synthesized answer
The book "Words and Rules" by Steven Pinker and Arthur Morey explores how language functions and how humans acquire the ability to speak [1]. It delves into the reasons behind language evolution and the existence of numerous linguistic peculiarities and deviations [1].
The provided passages describe the scope of the book, stating that it investigates the "profound mysteries of language" [1]. However, the passages do not offer any explanation of the key concepts within the book in my own words, nor do they provide the details necessary to do so.
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
Title: Words and rules by Steven Pinker, Arthur Morey Description: How does language work, and how do we learn to speak? Why do languages change over time, and why do they have so many quirks and irregularities? In this book, the profound mysteries of language are explored.