More than ever, the world needs good engineers. However, the pool of talent is shrinking not growing.

As we move towards 8 or 10 billion people on the planet, there's a little less gold per capita. Each one of us will continue to be fighting over an ever smaller percentage of total resources. This is not a happy thought

Nothing that has value, real value, has no cost. Not freedom, not food, not shelter, not healthcare.

We are in a race between knowledge and catastrophe. If we keep track of what is important, never lower our standards or forget why we are here, we have the ability to determine the fate of the world.

The city needs a car like a fish needs a bicycle.

New ideas in technology are literally a dime-a-dozen, or cheaper than that

If you're going to fail, you might as well fail at the big ones.