By failing to prepare, you are preparing to fail.
I can, therefore I am.
Go for it now. The future is promised to no one.
Leap, and the net will appear.
Know or listen to those who know.
The most effective way to do it, is to do it.
If you think you can do it, you can.
Without hard work, nothing grows but weeds.
If you can dream it, you can do it.
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.