We are all passengers aboard one ship, the Earth, and we must not allow it to be wrecked. There will be no second Noah's Ark.
Mikhail Sergeevich Gorbachev (1990). “A Road to the Future: Address by Mikhail Sergeyevich Gorbachev, General Secretary of the Central Committee of the Communist Party of the Soviet Union ... at the Plenary Meeting of the Forty-third Session of the United Nations General Assembly, in New York, Wednesday, December 7, 1988”
