When you lose the color on your display screen,
you will see everything in black and white!
(Sorry about that - Murphy)
If anything can go wrong, it will.
Murphy was an optimist.
Nothing is as easy as it looks.
Everything takes longer than you think.
If there is a possibility of several things going wrong, the one that will cause the most damage will be the one to go wrong.
Whenever you set out to do something, something else must be done first.
Every solution breeds new problems.
It is impossible to make anything foolproof because fools are so ingenious.
Nature always sides with the hidden flaw.
Left to themselves, things tend to go from bad to worse.
Matter will be damaged in direct proportion to its value.
If you percieve that there are four possible ways in which a procedure can go wrong, and circumvent these, then a fifth way will promptly develop.
Things get worse under pressure.
When the plane you are on is late, the plane you want to transfer to is on time.
An object will fall so as to do the most damage.
The chance of the bread falling with the buttered side down is directly proportional to the cost of the carpet.
Smile ... tomorrow will be worse.
Everything goes wrong all at once.
If several things that could have gone wrong have not gone wrong, it would have been ultimately beneficial for them to have gone wrong.
These and many other good jokes can be found on
Philip's Collection of Jokes