When we enter the testing area, GLaDOS informs us that she has to go attend to the turbines; before she leaves, she sarcastically gives a radically sped up “explanation” of the test we face in the room. Does she say anything of note in this version? I wouldn’t know how to go about manipulating the audio to find out…
It appears to be a quote from the first paragraph of Moby Dick (thanks to Billare for figuring that out):
[…], and methodically knocking people’s hats off — then, I account it high time to get to sea as soon as I can.
The full passage in Moby Dick: