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

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

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'.

One of the most dangerous forms of human error is forgetting what one is trying to achieve.

[I]t was designed to operate with minimal assistance from humans, who were without exception the moving part most likely to fail.

A jury verdict is just a guess - a well-intentioned guess, generally, but you simply cannot tell fact from fiction by taking a vote.