Related:

• Every reader his book. -- Second Law of Library Science
• Every book its reader. -- Third law of library science
• Library is a growing organism. -- Fifth Law of library science
• Books are for use. -- First law of library science
• A few months in the laboratory can save a few hours in the library. Westheimer's Law
• 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....