Assumptions are what we don't know we are making

How many roads must a man walk down?

In the stillness, a fly would not have dared clear it's throat.

There’s no point in acting surprised about it. All the planning charts and demolition orders have been on display at your local planning department in Alpha Centauri for 50 of your Earth years, so you’ve had plenty of time to lodge any formal complaint and it’s far too late to start making a fuss about it now... What do you mean you’ve never been to Alpha Centauri? Oh, for heaven’s sake, mankind, it’s only four light years away, you know. I’m sorry, but if you can’t be bothered to take an interest in local affairs, that’s your own lookout. Energize the demolition beams.

Their minds sang with the ecstatic knowledge that either what they were doing was completely and utterly and totally impossible or that physics had a lot of catching up to do.

What is the point? We assume that every time we do anything we know what the consequences will be, i.e., more or less what we intend them to be. This is not only not always correct. It is wildly, crazily, stupidly, cross-eyed-blithering-insectly wrong!

What was the self-sacrifice?" I jettisoned half of a much-loved and I think irreplaceable pair of shoes." Why was that self-sacrifice?" Because they were mine!" said Ford, crossly. I think we have different value systems." Well mine's better.