The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at or repair.

A common mistake that people make when trying to design something completely foolproof was to underestimate the ingenuity of complete fools.

The universe is a lot more complicated than you might think even if you start from a position of thinking that its pretty damn complicated to begin with.

A tremendous feeling of peace came over him. He knew that at last, for once and forever, it was now all, finally, over.