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

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

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

Spreadsheets are more fault-prone than other software.

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

Untested spreadsheets are riddled with errors.

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

Most large spreadsheets have dozens or even hundreds of errors.

Spreadsheets are dangerous to their authors and others.

Never assume a spreadsheet is right, even your own.

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

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

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

Programmers exhibit unwarranted confidence in the correctness of their spreadsheets.

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

Spreadsheet errors are pervasive, stubborn, ubiquitous and complex.

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

Your spreadsheets may be disasters in the making.

Spreadsheets are alarmingly error-prone to write.

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

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

The results given by spreadsheets are often just wrong.

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

It is irrational to expect large error-free spreadsheets.

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

Spreadsheets have a notoriously high number of faults.

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

Spreadsheets are commonly used and commonly flawed.

Spreadsheets contain errors at an alarmingly high rate.

Errors in spreadsheets are as ubiquitous as spreadsheets themselves.

Spreadsheets are notoriously error-prone.

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

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

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

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

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

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

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

A significant proportion of spreadsheets have severe quality problems.

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

Spreadsheet errors have resulted in huge financial losses.

Spreadsheets are extraordinarily and unacceptably prone to error.

Spreadsheets are easy to use and very hard to check.

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

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

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

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

Spreadsheet errors are still the rule rather than the exception.

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

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