Be gentle to all and stern with yourself.
You never know what motivates you.
To know oneself, one should assert oneself.
The dog that trots about finds a bone.
If you can dream it, you can do it.
If you're going through hell, keep going.
It's always too early to quit.
Without hard work, nothing grows but weeds.
By failing to prepare, you are preparing to fail.
Leap, and the net will appear.
I think that somebody with the resources and innovation and the idea is going to come out of nowhere and come up with a successful space travel program.