Three times, the ditch was emptied. Three times, the ants raced across its bottom. And three times, the rushing water, arriving just in time, carried them away.

11 seconds sound clip from the Leiningen Versus the Ants (1948) classic radio play.

You can hear this line at 00:18:08 in the radio play.

Quote context

[...]

- But what a chance to take! If anything should happen...!

- Aha! Here it comes! Here comes the water!

- Yes, we'll give the crawlers a ditch to ride in... right out the river! There! Look at 'em go!

- Leiningen's tactics were successful... at first.

- The violent flow of water at the original depth raced through the ditch, overwhelming leaves and ants, and sweeping them along.

- Three times, the ditch was emptied. Three times, the ants raced across its bottom. And three times, the rushing water, arriving just in time, carried them away.

- But the fourth time, as the water lowered nearly to the bottom of the ditch, we waited in vain for the rushing water and then...

- Senor!

- What's the matter? What's gone wrong at the dam?

- The ants! Just as the man at the dam lowered the water almost to the bottom, the ants attacked. Before he could open the floodgates, he was almost surrounded.

- He ran. The ants kept coming. They are across the ditch!

[...]