When fishes swam in the water the rocks would come together and kill
the fishes.

If birds flew in the air, the rocks would come together and kill
birds.

If a boat sailed on the water, the rocks would come together and break
the boat into little pieces.

These rocks had been put in the sea, so no one could go to the land
where the golden fleece was.

When the ship Argo came to the rocks, Jason sent a dove out.

The rocks came together when the dove was almost past.

Then they went far apart. Jason made his men row as hard as they
could.

The rocks began to come together. "Row hard, my men," said Jason.

Just as they got past, the rocks hit, but Jason and his men were all
right.

So they came to Colchis.