“Thinking is one thing no one has ever been able to tax.”
Other Charles Kettering Quotes
It is not a disgrace to fail. Failing is one of the greatest arts in the world.
Charles Kettering 
60% of people like this quote
There will always be a frontier where there is an open mind and a willing hand.
Charles Kettering
57% of people like this quote
Thinking is one thing no one has ever been able to tax.
Charles Kettering
56% of people like this quote
In America we can say what we think, and even if we can't think, we can say it anyhow.
Charles Kettering
56% of people like this quote