To know oneself, one should assert oneself.
The dog that trots about finds a bone.
It's always too early to quit.
Problems are not stop signs, they are guidelines.
To be a good loser is to learn how to win.
The wise does at once what the fool does at last.
Know or listen to those who know.
Who seeks shall find.
If you've got a talent, protect it.
After a storm comes a calm.
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.