I know that virtue to be in you, Brutus, as well as I do know your outward favor.
6 seconds sound clip from the Julius Caesar (1953) movie soundboard.
You can hear this line at 00:10:32 in the DVD version of the movie.
Quote context
[...]
- Ay, do you fear it? Then must I think you would not have it so?
- I would not, Cassius, yet I love him well.
- But what is it you would impart to me?
- For let the gods so speed me as I love the name of honor more than I fear death.
- I know that virtue to be in you, Brutus, as well as I do know your outward favor.
- Well, honor is the subject of my story.
- I cannot tell what you or other men think of this life...
- But, for my single self, I had as lief not be as live to be in awe of such a thing as I myself.
- I was born free as Caesar. So were you.
[...]