The opportunity that is unique [to our] time is what inspires me to do everything I can to move things forward. This is the first time that we have the capacity to understand our place in the greater scheme of things to the extent that we do.

Ignorance is the biggest problem of all for the ocean - and for many other things as well.

There's a vested interest in trying to keep people smoking cigarettes.

Life in the ocean makes Earth hospitable. We are sailing along in the universe and we have a blue engine that is making everything alright.

Success underwater depends mostly on how you conduct yourself. Diving can be the most relaxing experience in the world. Your weight seems to disappear. Space travel will be available only to a few individuals for some time, but the oceans are available to almost everyone - now.

The value of sharks' lives is now widely understood to be more important than their value as products. And when you have sharks in an area, it's a sign of good health. They're top predators, which means they feed on old, sick, and slower fish, keeping an entire population healthy.

Sharks are beautiful animals, and if you're lucky enough to see lots of them, that means that you're in a healthy ocean. You should be afraid if you are in the ocean and don't see sharks.