LISP programmers know the value of everything and the cost of nothing.
To a programmer, an operating system is defined by its API.
Mentally mutilated potential programmers beyond hope of regeneration.
The programmers of tomorrow are the wizards of the future,
Programmers have not been professionals because they haven't really cared about quality.
Programmers can be lazy.
As pointed out in a followup, Real Perl Programmers prefer things to be visually distinct.
I'm not a great programmer; I'm just a good programmer with great habits.