You all do know this mantle. I remember the first time ever Caesar put it on.

8 seconds sound clip from the Julius Caesar (1953) movie soundboard.

You can hear this line at 01:18:05 in the DVD version of the movie.

Quote context

[...]

- The will!

- The will!

- You will compel me then to read the will? Then make a ring around the corpse of Caesar, and let me show you him that made the will.

- Shall I descend, and will you give me leave?

- Come down! Come down!

- If you have tears, prepare to shed them now.

- You all do know this mantle. I remember the first time ever Caesar put it on.

- It was on a summer's evening in his tent that day he overcame the Nervii.

- Look, in this place ran Cassius' dagger through. See what a rent the envious Casca made.

- Through this the well-beloved Brutus stabbed...

- And, as he plucked his cursed steel away, mark how the blood of Caesar followed it, as rushing out of doors, to be resolved if Brutus so unkindly knocked or no.

[...]