Many people love in themselves what they hate in others.
Infinite growth of material consumption in a finite world is an impossibility.
Eagles come in all shapes and sizes, but you will recognize them chiefly by their attitudes.
Never let an inventor run a company. You can never get him to stop tinkering and bring something to market.
The system of nature, of which man is a part, tends to be self-balancing, self-adjusting, self-cleansing. Not so with technology.
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.
Any intelligent fool can make things bigger, more complex, and more violent. It takes a touch of genius -- and a lot of courage -- to move in the opposite direction.
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.