Never complain and never explain.
Know or listen to those who know.
Wherever you are - be all there.
To know oneself, one should assert oneself.
Things do not happen. Things are made to happen.
It's always too early to quit.
Without hard work, nothing grows but weeds.
If you're going through hell, keep going.
Either you run the day or the day runs you.
Do not weep do not wax indignant. Understand.
We found out the Gemini spacesuit was, well, oxygen was flowing to keep me cool as well as to breathe, and it wasn't good enough. My visor got fogged.