By failing to prepare, you are preparing to fail.
Without hard work, nothing grows but weeds.
Never complain and never explain.
Be kind whenever possible. It is always possible.
To be a good loser is to learn how to win.
Be gentle to all and stern with yourself.
Only the educated are free.
Be thine own palace, or the world's thy jail.
If you've got a talent, protect it.
It's always too early to quit.
I tried a dozen different modifications that were rejected. But they all served as a path to the final design.
I'm proud of my invention, but I'm sad that it is used by terrorists.