The impossible missions are the only ones which succeed.

Sometimes we are lucky enough to know that our lives have been changed, to discard the old, embrace the new, and run headlong down an immutable course

Farming as we do it is hunting, and in the sea we act like barbarians.

The sea, once it casts its spell, holds one in its net of wonder forever.

However fragmented the world, however intense the national rivalries, it is an inexorable fact that we become more interdependent every day.

There is about as much educational benefit to be gained in studying dolphins in captivity as there would be studying mankind by only observing prisoners held in solitary confinement.

It's terrible to have to say this. World population must be stabilized and to do that we must eliminate 350,000 people per day. This is so horrible to contemplate that we shouldn't even say it. But the general situation in which we are involved is lamentable.