If you think you can do it, you can.
Be gentle to all and stern with yourself.
It's always too early to quit.
Wherever you are - be all there.
Do not weep do not wax indignant. Understand.
Problems are not stop signs, they are guidelines.
Quality is not an act, it is a habit.
Leap, and the net will appear.
The dog that trots about finds a bone.
If you can dream it, you can do it.
And just when we were at the end of our design process there was the news that the Italian government and the U.S. government had signed an agreement to fly the first Italian astronaut on that flight.