Every time a programmer has to pause and think about this (or look it up in a manual), every time a programmer has to go back and add...

Every time a programmer has to pause and think about this (or look it up in a manual), every time a programmer has to go back and add grouping parentheses “jus in case”, a mental page fault has occurred. And, every time a programmer forgets to think about

Every time a programmer has to pause and think about this (or look it up in a manual), every time a programmer has to go back and add grouping parentheses “jus in case”, a mental page fault has occurred. And, every time a programmer forgets to think about this, a potential error has entered his code.

“Clojure Programming”,┬áChas Emerick, Brian Carper, Christophe Grand