Yet in the number I do know but one, that unassailable holds on his rank, unshaked of motion, and that I am he. Let me a little show it, even in this.

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

You can hear this line at 00:53:47 in the DVD version of the movie.

Quote context

[...]

- I could be well moved if I were as you.

- If I could pray to move, prayers would move me.

- But I am constant as the northern star, of whose true fixed and resting quality there is no fellow in the firmament.

- The skies are painted with unnumbered sparks. They are all fire and every one doth shine, but there's but one in all doth hold his place.

- So in the world, 'tis furnished well with men, and men are flesh and blood, and apprehensive,

- Yet in the number I do know but one, that unassailable holds on his rank, unshaked of motion, and that I am he. Let me a little show it, even in this.

- That I was constant Cimber should be banished, and constant do remain to keep him so.

- O, Caesar!

- Hence!

- Wilt thou lift up Olympus?

- Great Caesar!

[...]