Thomas Sowell Quotes: There is no bigger waste of time than doing 90% of what is necessary. ...

There is no bigger waste of time than doing 90% of what is necessary. (Thomas Sowell)

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Thomas Sowell Quotes: There is no bigger waste of time than doing 90% of what is necessary.

Thomas Sowell Quotes: There is no bigger waste of time than doing 90% of what is necessary.

Thomas Sowell Quotes: There is no bigger waste of time than doing 90% of what is necessary.

Thomas Sowell Quotes: There is no bigger waste of time than doing 90% of what is necessary.

Thomas Sowell Quotes: There is no bigger waste of time than doing 90% of what is necessary.

Thomas Sowell Quotes: There is no bigger waste of time than doing 90% of what is necessary.

Thomas Sowell Quotes: There is no bigger waste of time than doing 90% of what is necessary.

Thomas Sowell Quotes: There is no bigger waste of time than doing 90% of what is necessary.

Thomas Sowell Quotes: There is no bigger waste of time than doing 90% of what is necessary.

Thomas Sowell Quotes: There is no bigger waste of time than doing 90% of what is necessary.

Thomas Sowell Quotes: There is no bigger waste of time than doing 90% of what is necessary.

Thomas Sowell Quotes: There is no bigger waste of time than doing 90% of what is necessary.

Thomas Sowell Quotes: There is no bigger waste of time than doing 90% of what is necessary.

Thomas Sowell Quotes: There is no bigger waste of time than doing 90% of what is necessary.

Thomas Sowell Quotes: There is no bigger waste of time than doing 90% of what is necessary.