Charles F. Kettering

Failures are finger posts on the road to achievement.

Failures are finger posts on the road to achievement.

Thinking is one thing no one has ever been able to tax.

Thinking is one thing no one has ever been able to tax.

People are very open-minded about new things - as long as they're exactly like the old ones.

People are very open-minded about new things - as long as they're exactly like the old ones.

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

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.