Never assume a spreadsheet is right, even your own.

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

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

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

Spreadsheets are more fault-prone than other software.

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

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

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

It is irrational to expect large error-free spreadsheets.

Spreadsheets have a notoriously high number of faults.

Most large spreadsheets have dozens or even hundreds of errors.

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

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

Spreadsheets contain errors at an alarmingly high rate.

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

Untested spreadsheets are riddled with errors.

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

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

A significant proportion of spreadsheets have severe quality problems.

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

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

Spreadsheets are alarmingly error-prone to write.

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

Spreadsheet errors have resulted in huge financial losses.

The results given by spreadsheets are often just wrong.

Spreadsheet errors are pervasive, stubborn, ubiquitous and complex.

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

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

Programmers exhibit unwarranted confidence in the correctness of their spreadsheets.

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

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

Spreadsheets are dangerous to their authors and others.

Spreadsheets are extraordinarily and unacceptably prone to error.

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

Errors in spreadsheets are as ubiquitous as spreadsheets themselves.

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

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

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

Spreadsheets are commonly used and commonly flawed.

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

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

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

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

Spreadsheet errors are still the rule rather than the exception.

Spreadsheets are notoriously error-prone.

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

Your spreadsheets may be disasters in the making.

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

Spreadsheets are easy to use and very hard to check.

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