Any large extension of the Government into business affairs - no matter what the pretense and no matter how the the extension is labeled - will be bound to promote waste and put a curb on our prosperity and progress.

I am long on ideas, but short on time. I expect to live to be only about a hundred.

There is time for everything.

The great trouble is that the preachers get the children from six to seven years of age and then it is almost impossible to do anything with them.

After we had conducted thousands of experiments on a certain project without solving the problem, one of my associates, after we had conducted the crowning experiment and it had proved a failure, expressed discouragement and disgust over our having failed to find out anything. I cheerily assured him that we had learned something. For we had learned for a certainty that the thing couldnt be done that way, and that we would have to try some other way.

Our greatest weakness lies in giving up.

The greatest invention in the world is the mind of a child.