Do not debate! is one of my inventions.

It doesn't matter if a cat is black or white, so long as it catches mice.

Be reasonable with the students and make sure they see the logic in what we're doing.

In China, we intend to acquire advanced technology, science and management skills to serve our socialist production. And these things as such have no class character.

In the last couple of years before Chairman Mao's death he said that the "Cultural Revolution" had been wrong on two counts: one was "overthrowing all", and the other was waging a "full-scale civil war". These two counts alone show that the "Cultural Revolution" cannot be called correct. Chairman Mao's mistake was a political mistake, and not a small one.

Whatever sentence is passed on the Gang of Four won't be excessive. They brought harm to millions upon millions of people.

Observe calmly; secure our position; cope with affairs calmly; hide our capacities and bide our time; be good at maintaining a low profile; and never claim leadership.