Related:

• Books are for use. -- First law of library science
• Real Programs don't use shared text. Otherwise, how can they use functions for scratch space after they are finished calling them?
• The Fourth Commandment for C programmers: If thy header files fail to declare them thyself the return types of thy library functio
  hou shalt declare them thyself with the most meticulous care, lest grievous harm befall thy program....
• Library is a growing organism. -- Fifth Law of library science
• Mathematicians do it with odd functions.
• A library is an arsenal of liberty.