It is fashionable nowadays to talk about the endless riches of the sea. The ocean is regarded as a sort of bargain basement, but I don't agree with that estimate. People don't realize that water in the liquid state is very rare in the universe. Away from earth it is usually a gas. This moisture is a blessed treasure, and it is our basic duty, if we don't want to commit suicide, to preserve it.

We are human beings, and we have faith, and we have hope

Overconsumption and overpopulation underlie every environmental problem we face today

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

The sea, the great unifier, is man's only hope. Now, as never before, the old phrase has a literal meaning: we are all in the same boat.

The biggest obstacle was mixing abortion with overpopulation. These are two things that have nothing to do with each other.

The happiness of the bee and the dolphin is to exist. For man it is to know that and to wonder at it.