Go for it now. The future is promised to no one.
The most effective way to do it, is to do it.
Begin to be now what you will be hereafter.
Well done is better than well said.
If you can dream it, you can do it.
Without hard work, nothing grows but weeds.
To be a good loser is to learn how to win.
Wherever you are - be all there.
If you're going through hell, keep going.
Be kind whenever possible. It is always possible.
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.