It's one of his well-known quotes.
https://quotefancy.com/quote/1497280/Larry-Wall-I-think-I-m-...
https://news.ycombinator.com/item?id=43287809
A homopipic / homeopathic language?
Similiia similibus curentur.
https://www.google.com/search?q=similia+similibus+curentur
When you do, you appreciate the density of information.
When I read perl it's like I read a poem: to take a simple example, 'while/until' instead of 'while/while not' creates more beautiful code