A Commandment for C Programmers Posted on October 13, 2017October 13, 2009 by admin 7. Thou shalt study thy libraries and strive not to re-invent them without cause, that thy code may be short and readable and thy days pleasant and productive. Spread the love Related posts: Computer lingo guide Signs that you are an Internet Junkie. HEADLINES Chuck, Jean Claud, and Arnold.