That is sad, very sad. But you and I have gone too far to stop. Nor can it be stopped so easily.

Dr. Pretorius (Ernest Thesiger)

10 seconds sound clip from the Bride of Frankenstein movie soundboard.

You can hear this line at 00:18:50 in the Blu-ray version of the movie.

Quote context

[...]

- Don't put it so crudely.

- I have ventured to hope that you and I together, no longer as master and pupil, but as fellow scientists, might probe the mysteries of life and death...

- Never. No further.

- And reach a goal undreamed of by science.

- I can't make any further experiments. I've had a terrible lesson.

- That is sad, very sad. But you and I have gone too far to stop. Nor can it be stopped so easily.

- I also have continued with my experiments. That is why I am here tonight. You must see my creation.

- Have you also succeeded in bringing life to the dead?

- If you will do me the honor of visiting my humble abode, I think you will be interested in what I have to show you.

- After 20 years of secret scientific research and countless failures, I also have created life, as we say, in God's own image.

[...]