Charles F. Kettering

Failures are finger posts on the road to achievement.

Failures are finger posts on the road to achievement.

Our imagination is the only limit to what we can hope to have in the future

Our imagination is the only limit to what we can hope to have in the future

We should all be concerned about the future because we will have to live the rest of our lives there.

We should all be concerned about the future because we will have to live the rest of our lives there.

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.