But what we know for certain is that at some point in the early 21st century all of mankind was united in celebration.
9 seconds sound clip from the The Matrix movie soundboard.
You can hear this line at 00:41:24 in the Blu-ray version of the movie.
Quote context
[...]
- It exists now only as part of a neural-interactive simulation that we call the Matrix.
- You've been living in a dream world, Neo.
- This is the world as it exists today.
- Welcome to the desert of the real.
- We have only bits and pieces of information.
- We marveled at our own magnificence as we gave birth to AI.
- AI... You mean artificial intelligence.
- A singular consciousness that spawned an entire race of machines.
- We don't know who struck first, us or them.
- But we know that it was us that scorched the sky.
[...]