"A great book is a friend that never lets you down."

We don't inherit the oceans from our ancestors - we borrow them from our children.

The world is so unpredictable. Things happen suddenly, unexpectedly. We want to feel we are in control of our own existence. In some ways we are, in some ways we're not. We are ruled by the forces of chance and coincidence.

Great engineering solves problems you didn't know you had in ways you don't understand.

Civilization will perish without forests.