Just because something doesn't do what you planned it to do doesn't mean it's useless.
There's a way to do it better - find it.
If we did all the things we are capable of, we would literally astound ourselves.
Genius is one percent inspiration and ninety-nine percent perspiration.
Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time.
To have a great idea, have a lot of them.
Everything comes to him who hustles while he waits.
I have friends in overalls whose friendship I would not swap for the favor of the kings of the world.
Nearly every man who develops an idea works it up to the point where it looks impossible, and then he gets discouraged. That's not the place to become discouraged.
His genius he was quite content in one brief sentence to define; Of inspiration one percent, of perspiration, ninety nine.
Anything that won't sell, I don't want to invent. Its sale is proof of utility, and utility is success.
I start where the last man left off.
Vision without execution is delusion.
I have not failed. I have successfully discovered 1200 ideas that don't work.