Not just human error was involved, ... There may have been malfeasance.

These levees should have been expected to perform adequately at these levels if they had been designed and constructed properly,

These levees should have been expected to perform adequately at these levels if they had been designed and constructed properly, ... Not just human error was involved. There may have been malfeasance.

What then in the last resort are the truths of mankind?--They are the irrefutable errors of mankind.

It took one human error to take my leg and one human error to take my mother's.

Man has been reared by his errors: first he never saw himself other than imperfectly, second he attributed to himself imaginary qualities, third he felt himself in a false order of rank with animal and nature, fourth he continually invented new tables of values and for a time took each of them to be eternal and unconditional...If one deducts the effect of these four errors, one has also deducted away humanity, humaneness, and 'human dignity'.