- Always keep that image with you, Paris.
- I shan't need to. I have the source of its magic. Right here, I hold its living warmth and its spirit is always with me on the ramparts.

16 seconds sound clip from the Helen of Troy (1956) movie soundboard.

You can hear this line at 01:17:48.346 in the Blu-ray version of the movie.

Quote context

[...]

- Dogs! Jackals!

- I'll never fight his battles again.

- But for Greece, you'll fight.

- No more.

- During these years of stalemate, the Trojans, from the safety of their walls, constantly harassed the invaders with night raids on their camps.

- Helen, how perfect.

- The girl you fell in love with?

- Always keep that image with you, Paris.

- I shan't need to. I have the source of its magic. Right here, I hold its living warmth and its spirit is always with me on the ramparts.

- Then it can't be lost, can it? What has been lived and shared is never lost.

- Never, Helen.

- But if you should lose me, could you resign yourself to that?

- Don't worry, nothing will happen to you.

- Nothing endures on Earth, Paris, neither sorrow nor happiness or people in love.

[...]