Quotes about:
Macros live in the land of the names, not the land of the things they refer to.
The Arc(Lisp)[1] tutorial.
LISP has been jokingly described as “the most intelligent way to misuse a computer”. I think that description a great compliment because it transmits the full flavor of liberation: it has assisted a number of our most gifted fellow humans in thinking previously impossible thoughts.
Edsger W. Dijkstra, 1972 Turing Award Lecture, Communications of the ACM 15, October 1972.