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

Spreadsheets are more fault-prone than other software.

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

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

It is irrational to expect large error-free spreadsheets.

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

Your spreadsheets may be disasters in the making.

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

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

Spreadsheets are commonly used and commonly flawed.

Spreadsheets are extraordinarily and unacceptably prone to error.

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

Spreadsheets contain errors at an alarmingly high rate.

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

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

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

The results given by spreadsheets are often just wrong.

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

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

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

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

Programmers exhibit unwarranted confidence in the correctness of their spreadsheets.

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

Spreadsheets are easy to use and very hard to check.

Spreadsheets are notoriously error-prone.

Spreadsheet errors have resulted in huge financial losses.

Most large spreadsheets have dozens or even hundreds of errors.

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

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

Never assume a spreadsheet is right, even your own.

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

Spreadsheet errors are still the rule rather than the exception.

Spreadsheet errors are pervasive, stubborn, ubiquitous and complex.

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

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

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

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

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

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

Spreadsheets have a notoriously high number of faults.

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

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

Untested spreadsheets are riddled with errors.

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

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

Spreadsheets are alarmingly error-prone to write.

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

Errors in spreadsheets are as ubiquitous as spreadsheets themselves.

A significant proportion of spreadsheets have severe quality problems.

Spreadsheets are dangerous to their authors and others.