But given this simplicity, why do we have such confusion about how to actually do it?
America's recent economic data have sown confusion (see article), but even where the news has appeared positive, dangers lurk.
Those tests, it is suggested, were not followed up and there appears to have been confusion among staff as to who was responsible.
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Their actions have created confusion on an issue that requires clarity.
After Mr Medvedev's relatively amicable meeting with Barack Obama a month ago, NATO's actions have caused confusion in Moscow, says Dmitri Trenin, director of the Carnegie Moscow Centre.
That might have generated confusion.
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Both have suffered from confusion, falling profits and diving share prices.
All of the individual efforts and competing trials have led to confusion for consumers and merchants and made it difficult for any one effort to reach critical mass.
There does seem to have been some confusion about what type of vaccination was involved, and its consequences, as I was told by Britain's leading expert in the field, Professor Chris Bostock.
Stokes could have profited from confusion in the Dons defence before the break when they failed to deal with a long ball upfield from Ma-Kalambay - but the Irishman could only head woefully wide.
Yet its dealings with foreign investors have been marked by confusion rather than hostility.
The Davies and Mandelson episodes have demonstrated the continuing confusion in Britain about attitudes to homosexuality.
Many businesses have seized on this confusion to blame the attacks for the economic difficulties they were clearly facing before them.
Conflicting accounts over the past four days have added to the confusion over the numbers and nationalities still unaccounted for across the vast complex.
If you develop difficulty breathing or shortness of breath, chest pain or abdominal pain, sudden dizziness, confusion or have persistent vomiting, you should seek medical attention immediately.
On the other, a perceived pressure on editors to win audiences - with the result that a certain confusion may have taken root about which was the right road to follow.
Ironically, shareholders themselves have helped spread this confusion.
Constant changes have bred complexity, confusion and apathy.
The sighting of the person wearing a white hood and robe was reported early Monday morning and follows a string of recent hate incidents on Oberlin's campus that have ignited shock and confusion among the student body.
The Czechs have welcomed this, despite confusion with Tschechenien, the German name for Chechnya, a war-torn bit of Russia.
Theresa LePore, the county's supervisor of elections, is responsible for the controversial "butterfly" ballots that have been blamed for voter confusion.
Initially, this may cause some confusion because administrators have been using the old interfaces since Windows NT 3.1 was first released in 1994.
That helps to explain why the Republicans have been unable to use confusion in the conduct of the Yugoslav war to their electoral advantage.
Non-GAAP measures have been the bane of Silicon Valley and Internet firms over the years, and have been the cause of confusion and angst on many occasions.
If the awful confusion of warfare was a part of their lives already as this dreadful week began, the confusion has to have multiplied, as the week ends, because of what has transpired on the base where they live.
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