Everything comes to him who hustles while he waits.
Genius is one per cent inspiration and ninety-nine per cent perspiration.
If there is a way to do it better, find it.
Just because something doesn't do what you planned it to do doesn't mean it's useless.
Many of life's failures are people who did not realize how close they were to success when they gave up.
Opportunity is missed by most people because it is dressed in overalls and looks like work.
Restlessness and discontent are the first necessities of progress.
Results! Why man, I have gotten a lot of results. I know several thousand things that won't work.
To invent, you need a good imagination and a pile of junk.
We don't know a millionth of one percent about anything.