I'm told things it seems impossible to doubt.

2 seconds sound clip from the The Picture of Dorian Gray movie soundboard.

You can hear this line at 01:06:44.600 in the Blu-ray version of the movie.

Quote context

[...]

- Wayne's silly son marries a woman no one will receive. Is that my fault?

- Adrian Singleton writes his friend's name across a bill. Am I his keeper?

- Still, one has a right to judge a man by the effect he has on his friends. Yours seem filled with an insatiable madness for pleasure.

- And when I think of how fond Gladys is of you.

- What has Gladys to do with this?

- Nothing, I hope. And nothing in the future, if I can prevent it.

- I'm told things it seems impossible to doubt.

- Lord Wallace was one of my greatest friends at Oxford.

- He showed me a letter that his wife had written when she was dying alone in her villa at Montana.

- Your name was implicated in the most terrible confession I ever read.

- I told him it was absurd, that I knew you, and that you were incapable of anything of the kind.

[...]