Spreadsheets are often hard, if not impossible, to understand.

1% of all formulas in operational spreadsheets are in error.

Never assume a spreadsheet is right, even your own.

Spreadsheet shortcomings can significantly hamper an organization's business operation.

Spreadsheet errors... a great, often unrecognised, risk to corporate decision making & financial integrity.

Untested spreadsheets are riddled with errors.

Spreadsheets contain errors at an alarmingly high rate.

Most executives do not really check or verify the accuracy or validity of [their] spreadsheets...

Spreadsheets have a notoriously high number of faults.

Spreadsheets... pose a greater threat to your business than almost anything you can imagine.

Spreadsheet errors have resulted in huge financial losses.

Even obvious, elementary errors in very simple, clearly documented spreadsheets are... difficult to find.

Developing an error-free spreadsheet has been a problem since the beginning of end-user computing.

Spreadsheets are more fault-prone than other software.

The results given by spreadsheets are often just wrong.

Spreadsheets are the most popular live programming environments, but they are also notoriously fault-prone.

Spreadsheets are notoriously error-prone.

Every study, without exception, has found error rates much higher than organizations would wish to tolerate.

Spreadsheets are easy to use and very hard to check.

Every study that has looked for errors has found them... in considerable abundance.

Spreadsheets are alarmingly error-prone to write.

Errors in spreadsheets... result in incorrect decisions being made and significant losses incurred.

Spreadsheets can be viewed as a highly flexible programming environment for end users.

The untested spreadsheet is as dangerous and untrustworthy as an untested program.

Your spreadsheets may be disasters in the making.

People tend to believe their spreadsheets are more accurate than they really are.

Spreadsheet errors are still the rule rather than the exception.

Despite overwhelming and unanimous evidence... companies have continued to ignore spreadsheet error risks.

Spreadsheets are dangerous to their authors and others.

The quality and reliability of spreadsheets is known to be poor.

60% of large companies feel 'Spreadsheet Hell' describes their reliance on spreadsheets.

A significant proportion of spreadsheets have severe quality problems.

Most large spreadsheets have dozens or even hundreds of errors.

Research on spreadsheet errors is substantial, compelling, and unanimous.

Studies have shown that there is a high incidence of errors in spreadsheets.

A lot of decisions are being made on the basis of some bad numbers.

Overconfidence is one of the most substantial causes of spreadsheet errors.

...few incidents of spreadsheet errors are made public and these are usually not revealed by choice.

94% of the 88 spreadsheets audited in 7 studies have contained errors.

Spreadsheet errors are pervasive, stubborn, ubiquitous and complex.

It is irrational to expect large error-free spreadsheets.

The issue is not whether there is an error but how many errors there are and how serious they are.

Spreadsheets are commonly used and commonly flawed.

It is now widely accepted that errors in spreadsheets are both common and potentially dangerous.

Spreadsheet development must embrace extensive testing in order to be taken seriously as a profession.

Despite being staggeringly error prone, spreadsheets are a highly flexible programming environment.

Spreadsheets are extraordinarily and unacceptably prone to error.

Errors in spreadsheets are as ubiquitous as spreadsheets themselves.

The software that end users are creating... is riddled with errors.

Programmers exhibit unwarranted confidence in the correctness of their spreadsheets.