Know or listen to those who know.
Be gentle to all and stern with yourself.
If you're going through hell, keep going.
Be thine own palace, or the world's thy jail.
Quality is not an act, it is a habit.
Without hard work, nothing grows but weeds.
If you think you can do it, you can.
Go for it now. The future is promised to no one.
To know oneself, one should assert oneself.
The most effective way to do it, is to do it.
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.