A man must have a certain amount of intelligent ignorance to get anywhere.

The Wright brothers flew right through the smoke screen of impossibility.

Problems are the price of progress. Don't bring me anything but trouble. Good news weakens me.

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

The price of progress is trouble.

Bankers regard research as most dangerous a thing that makes banking hazardous due to the rapid changes it brings about in industry.

We have reason not to be afraid of the machine, for there is always constructive change, the enemy of machines, making them change to fit new conditions.