More socialism means more democracy, openness and collectivism in everyday life.

We could still have continued the arms race, but the arms race was pointless, and it was another reason we decided to start perestroika. It was senseless to continue to accumulate weapons. We had enough weapons to destroy life on Earth 1,000 times, and therefore it was very clear to us that the arms race could spiral out of control. A conflict could have started, as both the Americans and the Soviets realized, not out of a wrong political decision but because of a failure in the command-and-control systems.

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.

History punishes those that come late to it.

In Russia, there are those who make their money in criminal ways, but I earn everything myself.

When future generations judge those who came before them on environmental issues, they may conclude "they didn't know": let us not go down in history as the generations who knew, but didn't care

A society should never become like a pond with stagnant water, without movement. That's the most important thing.