To understand a program, you must become both the machine and the program.
Because of its vitality, the computing field is always in desperate need of new cliches: Banality soothes our nerves.
In software systems it is often the early bird that makes the worm.
A LISP programmer knows the value of everything, but the cost of nothing.
In computing, turning the obvious into the useful is a living definition of the word "frustration".
A picture is worth 10K words - but only those to describe the picture. Hardly any sets of 10K words can be adequately described with pictures.