Failures, repeated failures, are sign-posts on the road to achievement. The only time you don't want to fail is the last time you try something (and it works).
Charles KetteringIt doesn't matter if you try and try and try again, and fail. It does matter if you try and fail, and fail to try again.
Charles KetteringWe have a lot of people revolutionizing the world because they've never had to present a working model.
Charles KetteringResearch is an organized method of trying to find out what you are going to do after you cannot do what you are doing now. It may also be said to be the method of keeping a customer reasonably dissatisfied with what he has. That means constant improvement and change so that the customer will be stimulated to desire the new product enough to buy it to replace the one he has.
Charles Kettering