What you do today can improve all your tomorrows.
After a storm comes a calm.
If you think you can do it, you can.
To know oneself, one should assert oneself.
Always desire to learn something useful.
Be thine own palace, or the world's thy jail.
The most effective way to do it, is to do it.
The dog that trots about finds a bone.
Problems are not stop signs, they are guidelines.
Do not weep do not wax indignant. Understand.
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.