- You can stop taking your medication. They're placebos, just pills made out of water.
- Thank you.

— Dr. Lillian Thurman (Katharine Ross)

11 seconds sound clip from the Donnie Darko movie soundboard.

You can hear this line at 01:43:40 in the Blu-ray version of the movie.

Quote context

[...]

- Who is he going to kill? Who is he going to kill, Donnie?

- I can see him right now!

- The sky is going to open up.

- If the sky were to suddenly open up, there would be no law, there would be no rule. There would only be you and your memories, the choices you've made and the people you've touched.

- If this world were to end, there would only be you and him and no one else.

- You can stop taking your medication. They're placebos, just pills made out of water.

- Thank you.

- An atheist is someone who denies altogether the existence of God. You're an agnostic.

- An agnostic is someone who believes that there can be no proof of the existence of God, but does not deny a possibility that God exists.

- Good-bye, Dr. Thurman.

- Hey. I got in. I'm going to Harvard.

[...]