This is what your father would have done. He would have left a garrison here.

7 seconds sound clip from the Alexander the Great (1956) movie soundboard.

You can hear this line at 01:33:17 in the Blu-ray version of the movie.

Quote context

[...]

- I see it in all your eyes and your thoughts: Turn back. Turn back.

- There is nothing in my eyes, nor in my thoughts, that is not on my tongue. Nor ever will there be between you and me.

- Command, and I'll follow.

- That is not enough for me. You're Macedonians, not Persian slaves. I want your hearts too!

- You propose to go on without the Athenian fleet, without support, with a lifeline that stretches back more than a thousand leagues into Macedonia.

- This is what your father would have done. He would have left a garrison here.

- Taken back the spoils to Macedonia in what little fleet we have left...

- Forced Athens into supporting us and then invaded again with an army five times as strong.

- This your father would have done!

- My father! My father! My father! I am Alexander, not my father!

[...]