Other source:
Goku asks Korin to weigh his strength against Cell's, and the verdict is that Cell is still stronger than Goku. However, Goku doesn't seem worried by this at all. He seems to have a secret plan. Meanwhile, Cell begins to warm up for the tournament by flying into space and destroying some meteors. Goku sets out he and Gohan's training regimen, which is three days of rest, three days of training, and then three more days of rest.
