Adapting old programs to fit new machines usually means adapting new machines to behave like old ones.

To understand a program, you must become both the machine and the program.

Any noun can be verbed.

Programmers are not to be measured by their ingenuity and their logic but by the completeness of their case analysis.

One man's constant is another man's variable.

In computing, the mean time to failure keeps getting shorter.

It is easier to change the specification to fit the program than vice versa.