Be thine own palace, or the world's thy jail.
You never know what motivates you.
Know or listen to those who know.
If you've got a talent, protect it.
Begin to be now what you will be hereafter.
To be a good loser is to learn how to win.
Do not weep do not wax indignant. Understand.
Well done is better than well said.
If you're going through hell, keep going.
If you can dream it, you can do it.
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.