Never complain and never explain.
Only the educated are free.
Without hard work, nothing grows but weeds.
To know oneself, one should assert oneself.
The secret of getting ahead is getting started.
Leap, and the net will appear.
I can, therefore I am.
Either you run the day or the day runs you.
If you've got a talent, protect it.
If you think you can do it, you can.
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.