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

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

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

Spreadsheets are commonly used and commonly flawed.

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

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

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

Your spreadsheets may be disasters in the making.

Errors in spreadsheets are as ubiquitous as spreadsheets themselves.

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

Spreadsheets have a notoriously high number of faults.

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

Spreadsheets are more fault-prone than other software.

Spreadsheets are easy to use and very hard to check.

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

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

Spreadsheets are dangerous to their authors and others.

Spreadsheets are alarmingly error-prone to write.

Programmers exhibit unwarranted confidence in the correctness of their spreadsheets.

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

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.

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

Untested spreadsheets are riddled with errors.

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

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

Never assume a spreadsheet is right, even your own.

Spreadsheets contain errors at an alarmingly high rate.

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

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

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

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

Most large spreadsheets have dozens or even hundreds of errors.

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

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

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

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

It is irrational to expect large error-free spreadsheets.

Spreadsheets are notoriously error-prone.

Spreadsheets are extraordinarily and unacceptably prone to error.

Spreadsheet errors are pervasive, stubborn, ubiquitous and complex.

Spreadsheet errors are still the rule rather than the exception.

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

The results given by spreadsheets are often just wrong.

A significant proportion of spreadsheets have severe quality problems.

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

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

Spreadsheet errors have resulted in huge financial losses.

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

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