Around it are those countries which, according to History, constitute the civilised world ie, a world that can support historians

Bringing about Armageddon can be dangerous. Do not attempt it in your own home.

People don't alter history any more than birds alter the sky, they just make brief patterns in it.

At such times the universe gets a little closer to us. They are strange times, times of beginnings and endings. Dangerous and powerful. And we feel it even if we don't know what it is. These times are not necessarily good, and not necessarily bad. In fact, what they are depends on what *we* are.

Whatever you choose, your choice will mean there are two new worlds. And perhaps sometimes, on the edge of sleep, we will see the shadow of the other world. There will be no unhappy memories.

You can’t say ‘if this didn’t happen then that would have happened’ because you don’t know everything that might have happened. You might think something’d be good, but for all you know it could have turned out horrible. You can’t say ‘If only I’d…’ because you could be wishing for anything. The point is, you’ll never know. You’ve gone past. So there’s no use thinking about it.

All he knew was that you couldn't hope to try for the big stuff, like world peace and happiness, but you might just about be able to achieve some tiny deed that'd make the world, in a small way, a better place. Like shooting someone.