I do not, till you practice them on me.
4 seconds sound clip from the Julius Caesar (1953) movie soundboard.
You can hear this line at 01:31:36 in the DVD version of the movie.
Quote context
[...]
- I did send to you for gold to pay my legions, which you denied me.
- You did.
- I did not. He was but a fool that brought my answer back.
- A friend should bear his friend's infirmities, but Brutus makes mine greater than they are.
- I do not, till you practice them on me.
- A friendly eye could never see such faults.
- A flatterer's would not, though they do appear as huge as high Olympus.
- Hated by one he loves, braved by his brother...
[...]