If a program is useful, it will have to be changed. If a program is useless, it will have to be documented. Any given program will expand to fill all the available memory. The value of a program is inversely proportional to the weight of its output. Program complexity grows until it exceeds the capability of the programmer who must maintain it.
All Constants are Variables.
A computer makes as many mistakes in two seconds as 20 men working 20 years make. The attention span of a computer is only as long as its electrical cord. To err is human, but to really foul things up requires a computer. Grosch's Law Computing power increases as the square of the cost. Golub's Laws of Computerdom Fuzzy project objectives are used to avoid embarrassment of estimating the corresponding costs.