Related:

• Every reader his book. -- Second Law of Library Science
• Save the time of the reader. -- Fourth law of library Science
• Library is a growing organism. -- Fifth Law of library science
• Books are for use. -- First law of library science
• The misnaming of fields of study is so common as to lead to what might be general systems laws.
  For example, Frank Harary once suggested the law that any field that had the word "science" in its name was guaranteed thereby not to be a science....
• This fortune every third, but it still comprehensible.