Know or listen to those who know.
Quality is not an act, it is a habit.
Wherever you are - be all there.
Go for it now. The future is promised to no one.
What you do today can improve all your tomorrows.
If you've got a talent, protect it.
Well done is better than well said.
Things do not happen. Things are made to happen.
Never complain and never explain.
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.