Both! I'll bet they were both! I'll bet they started out as one and revealed themselves to be the other.

Bloody cover for such a utopian-sounding book. Review:

The novel is set in a far future galaxy populated with thousands of intelligent races and millions of worlds. People live in a Utopian environment with an average lifespan of 400 years. In this Utopian far future, humans have overcome the problem of repressed desire, the cause of much mental illness. They enjoy free love without jealousy. People never have to do things they don’t want to, and can even have a ship to wander the stars just by asking.

But yet he wants the stars as well! The book, published in 1964, has two races: the Horta, and the Borg. Really.