And understand this, Edward Longshanks is the most ruthless king ever to sit on the throne of England...

9 seconds sound clip from the Braveheart (1995) movie soundboard.

You can hear this line at 01:05:02 in the Blu-ray version of the movie.

Quote context

[...]

- They do nothing but talk.

- Rightly so.

- They're as rich in English titles and lands as they are in Scottish. Just as we are.

- You admire this man, this William Wallace. Uncompromising men are easy to admire.

- He has courage, so does a dog.

- But it is exactly the ability to compromise that makes a man noble.

- And understand this, Edward Longshanks is the most ruthless king ever to sit on the throne of England...

- And none of us and nothing of Scotland will remain unless we are as ruthless.

- Give ear to our nobles. Knowing their minds is the key to the throne.

- Wait. Wait. Look. This is out, and this is left.

- Carry on. Carry on!

[...]