Charles F. Kettering

We have a lot of people revolutionizing the world because they've never had to present a working model.

We have a lot of people revolutionizing the world because they've never had to present a working model.

The world hates change, yet it is the only thing that has brought progress.

The world hates change, yet it is the only thing that has brought progress.

You can't have a better tomorrow if you are thinking about yesterday all the time.

You can't have a better tomorrow if you are thinking about yesterday all the time.

Believe and act as if it were impossible to fail.

Believe and act as if it were impossible to fail.

There is a great difference between knowing and understanding: you can know a lot about something and not really understand read more

There is a great difference between knowing and understanding: you can know a lot about something and not really understand it