Expect problems and eat them for breakfast.
The secret of getting ahead is getting started.
Well done is better than well said.
The wise does at once what the fool does at last.
Go for it now. The future is promised to no one.
To know oneself, one should assert oneself.
Never complain and never explain.
Know or listen to those who know.
Either you run the day or the day runs you.
It's always too early to quit.
One of the nice things about science fiction is that it lets us carry out thought experiments.
Some ideas you have to chew on, then roll them around a lot, play with them before you can turn them into funky science fiction.