In the Beginning... ...there was no inheritance and no composition, only code. And the code was unwieldy, repetitive, blocky, unhappy, verbose, and tired. Copy and Paste were the primary mechanisms of code reuse. Procedures and functions were rare, newfangled gadgets viewed with suspicion. Calling a procedure was expensive! Separating pieces of code from the main logic caused confusion! It was a Dark Time.
R. Godin, and P. Valtchev. Formal Concept Analysis: Foundations and
Applications, volume 3626 of Lecture Notes in Computer Science, Springer, Berlin/Heidelberg, (2005)
M. Stevens, A. Kellens, J. Brichau, and T. D'Hondt. BENEVOL 2007 - 6th BElgian-NEtherlands software eVOLution workshop (Namur, Belgium, December 13-14, 2007), (2007)