By some awful quirk of fate...

5 seconds sound clip from the The Time Machine (1960) movie soundboard.

You can hear this line at 01:13:11 in the Blu-ray version of the movie.

Quote context

[...]

- The important thing you should know is that I am the last who remembers how each of us, man and woman, made his own decision.

- Some chose to take refuge in the great caverns and find a new way of life far below the earth's surface.

- The rest of us decided to take our chances in the sunlight... small as those chances might be.

(RING FALLING SOUND) (2)

- From the talking rings I learned how the human race divided itself and how the world of the Eloi and the Morlocks began.

- By some awful quirk of fate...

- The Morlocks had become the masters and the Eloi their servants.

- The Morlocks maintained them and bred them like cattle. Only to take them below when they reached maturity.

- Which explained why there were no older people among them.

- I knew I must go below. It was the only means of finding a way up into the sphinx to reach my machine and find out what happened to the people when they did go below.

[...]