You are revealed to the world. Very well. So be it. But you still must keep your secret identity.

Jor El (Marlon Brando)

13 seconds sound clip from the Superman (1978) movie soundboard.

You can hear this line at 01:38:07 in the Blu-ray version of the movie.

Quote context

[...]

(Wind howling)

- You enjoyed it.

- I don't know what to say, Father. I'm afraid I just got carried away.

- I anticipated this, my son.

- You couldn't have. You couldn't have imagined...

- How good it felt?

- You are revealed to the world. Very well. So be it. But you still must keep your secret identity.

- Why?

- The reasons are two.

- First, you cannot serve humanity 28 hours a day.

- 24.

- Or 24 as it is in Earth time.

- Your help would be called for endlessly. Even for those tasks which human beings could solve themselves. It is their habit to abuse their resources in such a way.

- And secondly?

- Second, your enemies will discover their only way to hurt you: By hurting the people you care for.

[...]