Youth is wasted on the young.

If history repeats itself, and the unexpected always happens, how incapable must Man be of learning from experience.

A fool's brain digests philosophy into folly, science into superstition, and art into pedantry. Hence University education.

I would like to take you seriously, but to do so would be an affront to your intelligence.

Actors don't have to be linked in real life for the chemistry to be translated on screen.

The fundamental essence of science, which I think we've lost in our education system, is poking something with a stick and seeing what happens. Embrace that process of inquiry.

As our technology evolves, we will have the capacity to reach new, ever-increasing depths. The question is what kind of technology, in the end, do we want to deploy in the far reaches of the ocean? Tools of science, ecology and documentation, or the destructive tools of heavy industry?

My approach to 'Star Trek' was, 'I know science fiction, and I know screen writing.' That was very arrogant of me, but you really need to be a little bit arrogant to think that what you have to say is good enough to justify the expense of hundreds of thousands - now millions of dollars - to make an episode of the TV show.