From the fortune suite:

I'd rather have a free bottle in front of me than a pre-frontal lobotomy.
-- Tom Waits

The early worm gets ... the bird!

One more victory such as this and we are lost!
-- Pyrrhus

If at first you do not succeed ...
You must be a computer programmer.

Q: How many systems analysts does it take to change a lightbulb?
A: None, It's a hardware problem.

And while on the subject of humour there is the famous
project manager's problem solving aglorithm:

                Problem Solving Algorithm
                ------- ------- ---------

                                          (No)         
                <Is it Broken?> -------------------------+
                      |                                  |
                      | (Yes)                            |
                      |                   (No)           |
        < Did you Screw around with it?> ----------+     |
                      |                            |     |
                      | (Yes)                      |     |
                      |                            |     |
  +------------------>|                            |     |
  |          +---------------+                     |     |
  |          | You F*** Wit! |                     |     |
  |          +---------------+                     |     |
  |                   |<---------------------------+     |
  |                   |                                  o
  |   (No)            |                    (Yes)   +------------+
  +--------<Can you blame someone else?> --------o |No Problem! |
                                                   +------------+