Aviation is the branch of engineering that is least forgiving of mistakes.

Every orchid or rose or lizard or snake is the work of a dedicated and skilled breeder. There are thousands of people, amateurs and professionals, who devote their lives to this business. Now imagine what will happen when the tools of genetic engineering become accessible to these people.

A good scientist is a person with original ideas. A good engineer is a person who makes a design that works with as few original ideas as possible. There are no prima donnas in engineering.

Manufacturing is more than just putting parts together. It's coming up with ideas, testing principles and perfecting the engineering, as well as final assembly.

When your design stinks, Engineering 101 says admit your mistakes and go back to the drawing board,

The technologies that raise the fewest ethical problems are those that work on a human scale, brightening the lives of individual people.