For ages the Aborigines had relied heavily on isolation. It was their asset and their liability, and gave them long-term control of the continent. But if their isolation were to end, as it ultimately had to end with a shrinking world, their whole way of life could be fractured. Even the arrival of a few thousand permanent settlers, whether from Europe or Asia, would be like the first tremors of an earthquake.
''the story of australia's people: the rise and fall of ancient australia'' (2015)