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

We are just in the kindergarten of uncovering things; there is no downcurve in science.

Every great improvement has come after repeated failures. Virtually nothing comes out right the first time. Failures, repeated failures, are finger posts on the road to achievement. One fails forward toward success.

The price of progress is trouble.

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

There exist limitless opportunities in every industry. Where there is an open mind, there will always be a frontier.

The world hates change, yet it is the only thing that has brought progress.