"Infinite growth of material consumption in a finite world is an impossibility."

"Never let an inventor run a company. You can never get him to stop tinkering and bring something to market."

"It might be said that it is the ideal of the employer to have production without employees and the ideal of the employee is to have income without work."

"The printing press is either the greatest blessing or the greatest curse of modern times, sometimes one forgets which it is."

"Eagles come in all shapes and sizes, but you will recognize them chiefly by their attitudes."

"Many people love in themselves what they hate in others."

"You can either read something many times in order to be assured that you got it all, or else you can define your purpose and use techniques which will assure that you have met it and gotten what you need."

"The system of nature, of which man is a part, tends to be self-balancing, self-adjusting, self-cleansing. Not so with technology."