What you do today can improve all your tomorrows.
If you're going through hell, keep going.
To know oneself, one should assert oneself.
To be a good loser is to learn how to win.
Well done is better than well said.
Know or listen to those who know.
If you've got a talent, protect it.
The dog that trots about finds a bone.
By failing to prepare, you are preparing to fail.
Be kind whenever possible. It is always possible.
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.