If 1If only one price can be obtained for a quotation, the price will be unreasonable.
If opportunity came disguised as temptation, one knock would be enough.
If people listened to themselves more often, they would talk less.
If reproducibility might be a problem, conduct the test only once.
If some people didn't tell you, you'd never know they'd been away on vacation.
If something is confidential, it will be left in the photocopy machine.
If something is done wrong often enough, it becomes right.
If 'success' consisted simply of not taking chances, then 'glory' would be at the disposal of the most mediocre talent.
If the assumptions are wrong, the conclusions are not likely to be very good.
If the code and the comments disagree, then both are probably wrong.
If the probability of success is not almost one, it is damn near zero.
If the slightest probability for an unpleasant event to happen exists, the event will take place, preferably during a demonstration.
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.
If there isn't a law, there will be.
If there is a 50-50 chance that something can go wrong, then 9 times out of 10 - it will.
If there is light at the end of the tunnel...order more tunnel.
If things were left to chance, they would be better.
If two wrongs don't make a right, try three.
If we learn by our mistakes, some of us are getting one hell of an education!
If you aim for the stars but only make it to the moon, remember there are people who have not yet made it to the moon.
If you are already in a hole, there is no use to continue digging.
If you are asked to join a parade, don't march behind the elephants.
If you are coasting, you're going downhill.
If you are feeling good, don't worry. You'll get over it.
If you are given two contradictory orders, obey them both.
If you are not the lead dog, the scenery never changes.