Jack's no Roman. I can vouch for that.

3 seconds sound clip from the Shadowlands movie soundboard.

You can hear this line at 00:04:47.295 in the Blu-ray version of the movie.

Quote context

[...]

- I ordered the '45.

- Jack. Jack... Jack, what a surprise.

- What do you mean surprise?

- Not out plying your trade?

- What trade is that, Christopher?

- I see you as a species of medieval peddler selling relics of the saints of dubious authenticity.

- Fair play, Christopher.

- Jack's no Roman. I can vouch for that.

- I speak metaphorically, Harry.

- Jack's trade is the manufacture and supply of easy answers to difficult questions.

- What's he say?

- I've been meaning to ask you about your brother's books.

[...]