"LISP programmers know the value of everything and the cost of nothing"

This quote by Alan Perlis is an amusing method of saying that Lisp programmers are highly skilled and knowledgeable in their field. They comprehend the value of their work and the impact it can have, however they don't always think about the expense of their efforts. This might be interpreted as an indication of their self-confidence in their capabilities, as they want to put in the work without worrying about the cost. It could likewise be seen as an indication of their enthusiasm for their work, as they want to put in the effort no matter the cost. Eventually, this quote is a testimony to the ability and devotion of Lisp developers, and their commitment to their craft.